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Select your vehicle to confirm this part fits.
1973 - 1986 Chevrolet C10
Confirmed to Fit
1988 - 1999 Chevrolet C1500
Confirmed to Fit
1973 - 1986 Chevrolet C20
Confirmed to Fit
1988 - 1999 Chevrolet C2500
Confirmed to Fit
1973 - 1986 Chevrolet C30
Confirmed to Fit
1988 - 2000 Chevrolet C3500
Confirmed to Fit
1973 - 1986 Chevrolet K10
Confirmed to Fit
1988 - 1999 Chevrolet K1500
Confirmed to Fit
1973 - 1986 Chevrolet K20
Confirmed to Fit
1988 - 1999 Chevrolet K2500
Confirmed to Fit
1973 - 1974, 1977 - 1986 Chevrolet K30
Confirmed to Fit
1988 - 2000 Chevrolet K3500
Confirmed to Fit
1999 - 2007 Chevrolet Silverado 1500
Confirmed to Fit
2007 - 2018 Chevrolet Silverado 1500
Confirmed to Fit
2001 - 2003, 2005 - 2007 Chevrolet Silverado 1500 HD
Confirmed to Fit
2019 Chevrolet Silverado 1500 LD
Confirmed to Fit
1999 - 2004 Chevrolet Silverado 2500
Confirmed to Fit
2001 - 2016 Chevrolet Silverado 2500 HD
Confirmed to Fit
Confirmed to Fit
2001 - 2006 Chevrolet Silverado 3500
Confirmed to Fit
2007 - 2016 Chevrolet Silverado 3500 HD
Confirmed to Fit
1973 - 1979, 1985 - 1989 Dodge D100
Confirmed to Fit
1977 - 1993 Dodge D150
Confirmed to Fit
1973 - 1980 Dodge D200
Confirmed to Fit
1981 - 1993 Dodge D250
Confirmed to Fit
1973 - 1980 Dodge D300
Confirmed to Fit
1981 - 1993 Dodge D350
Confirmed to Fit
1994 - 2004 Dodge Dakota
Confirmed to Fit
1994 - 2008 Dodge Ram 1500
Confirmed to Fit
2009 - 2010 Dodge Ram 1500
Confirmed to Fit
1994 - 2002 Dodge Ram 2500
Confirmed to Fit
2003 - 2010 Dodge Ram 2500
Confirmed to Fit
1994 - 2002 Dodge Ram 3500
Confirmed to Fit
2003 - 2010 Dodge Ram 3500
Confirmed to Fit
1975 - 1983 Ford F-100
Confirmed to Fit
1975 - 1996, 2004 - 2020 Ford F-150
Confirmed to Fit
1997 - 2003 Ford F-150
Confirmed to Fit
2004 Ford F-150 Heritage
Confirmed to Fit
1975 - 1999 Ford F-250
Confirmed to Fit
2011 - 2016 Ford F-250 Super Duty
Confirmed to Fit
1999 - 2010 Ford F-250 Super Duty
Confirmed to Fit
1975 - 1997 Ford F-350
Confirmed to Fit
2011 - 2016 Ford F-350 Super Duty
Confirmed to Fit
1999 - 2010 Ford F-350 Super Duty
Confirmed to Fit
2011 - 2016 Ford F-450 Super Duty
Confirmed to Fit
2008 - 2010 Ford F-450 Super Duty
Confirmed to Fit
1975 - 1978 GMC C15
Confirmed to Fit
1973 - 1974 GMC C15/C1500
Confirmed to Fit
1979 - 1986, 1988 - 1999 GMC C1500
Confirmed to Fit
1975 - 1978 GMC C25
Confirmed to Fit
1967 - 1974 GMC C25/C2500
Confirmed to Fit
1979 - 1986, 1988 - 2000 GMC C2500
Confirmed to Fit
1975 - 1978 GMC C35
Confirmed to Fit
1973 - 1974 GMC C35/C3500
Confirmed to Fit
1979 - 1986, 1988 - 2000 GMC C3500
Confirmed to Fit
1973 - 1978 GMC K15
Confirmed to Fit
1979 - 1986, 1988 - 1999 GMC K1500
Confirmed to Fit
1973 - 1978 GMC K25
Confirmed to Fit
1979 - 1986, 1988 - 2000 GMC K2500
Confirmed to Fit
1973 - 1974, 1977 - 1978 GMC K35
Confirmed to Fit
1979 - 1986, 1988 - 2000 GMC K3500
Confirmed to Fit
1999 - 2018 GMC Sierra 1500
Confirmed to Fit
2001 - 2003, 2005 - 2007 GMC Sierra 1500 HD
Confirmed to Fit
Confirmed to Fit
1999 - 2004 GMC Sierra 2500
Confirmed to Fit
2001 - 2016 GMC Sierra 2500 HD
Confirmed to Fit
2001 - 2007 GMC Sierra 3500
Confirmed to Fit
2007 - 2016 GMC Sierra 3500 HD
Confirmed to Fit
2004 - 2015 Nissan Titan
Confirmed to Fit
2007 - 2021 Toyota Tundra
Confirmed to Fit
2000 - 2006 Toyota Tundra
Confirmed to Fit
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These rails fit any truck, but the mounting brackets that bolt them to your frame are vehicle-specific. Select your vehicle to find the custom-fit bracket kit for an easy, no-drill installation.
Want to take the family on a cross-country adventure? Or perhaps you're planning a shorter trip to your favorite campground. Whatever your destination, it's important to have the right equipment, especially when towing a fifth wheel trailer. To ensure proper hookup and safety while towing, you'll need something to attach your fifth wheel hitch in the bed on your truck. Many pickups come equipped with factory-installed rails or puck systems, but if you don't have one of these already installed, don't worry. REESE has an extensive line of mounting rails and bracket kits, custom-made to the exact specifications needed based on your truck's year, make, and model. REESE also offers several Industry Standard designs, as well as fastener kits, spacer kits, and a Power Puck mounting kit, so you can be sure you're covered, no matter what pickup you're using to tow. So make it easy. Make it fun. Make it REESE, so you can make the journey as enjoyable as the destination.
| BRAND: | REESE |
| PART NUMBER: | 30035 |
| WARRANTY: | LIMITED 10 YEAR WARRANTY |
| WEIGHT: | 53.5 LBS |
| UNIVERSAL OR SPECIFIC FIT: | UNIVERSAL |
| WELDING REQUIRED: | NO |
| MOUNTING HARDWARE INCLUDED: | YES |
| RAILS INCLUDED: | YES |
| DRILLING REQUIRED: | YES |
| MATERIAL: | STEEL |
| BOLT GRADE: | GRADE 5 |
| LOCKABLE: | NO |
| COLOR: | BLACK |
Reese has designed towing equipment since 1952 and remains a benchmark for heavy-duty towing. The line covers fifth wheel hitches such as the modular M5, gooseneck couplers including the Goose Box, air-ride and short-bed pin boxes, weight distribution systems with active sway control, and the accessories that connect them, all built to exceed published industry standards.
Reese has been pioneering towing performance since 1952, when Margaret Reese asked her husband TJ to stop travel trailers rocking every time somebody walked through them. His answer, the first pair of stabilising jacks, was simple and effective enough to change the RV industry. From that starting point Reese grew into a designer and manufacturer of complete towing systems, and today it anchors the heavy-duty end of the Horizon Global towing portfolio.
Fifth wheel towing is where the brand's engineering is most visible. The M5 fifth wheel hitch uses a modular design that breaks into manageable sections for assembly, with a wider stance, tighter tolerances and a shock absorption system aimed at the jolts that travel up through a truck bed. For owners who would rather tow from a gooseneck coupler and keep the bed clear, the Goose Box 20K replaces the trailer's king pin with a gooseneck connection carrying its own air-ride cushioning.
Pin boxes are a Reese speciality. The 5th Airborne uses air-ride technology to dampen road shock and reduce the chucking motion that makes fifth wheel towing tiring, while the Sidewinder was designed for short-bed pickups, pivoting the connection point so the trailer can turn sharply without the front cap meeting the cab.
For conventional towing, Reese weight distribution systems restore load to the tow vehicle's front axle and control sway. The Pro Round Bar distributes weight evenly while damping sway, and the Pro Dual Cam II uses active cam-based sway control that works harder the stronger the sway force becomes. Complete kits pair bars, head and shank to a rated tongue weight, and dedicated sway control kits can be added to existing setups. The products suit RV owners, horse and livestock haulers and anyone towing near the upper end of a vehicle's rating.
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Call 888-634-949410 Years
Reese® R16 Fifth Wheel Hitch Features & Benefits - 30866
71 compatible vehicles
| Year | Make & Model | Style | Bed | Notes |
|---|---|---|---|---|
| 1973 - 1986 | Chevrolet C10 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 1988 - 1999 | Chevrolet C1500 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 1973 - 1986 | Chevrolet C20 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 1988 - 1999 | Chevrolet C2500 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 1973 - 1986 | Chevrolet C30 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 1988 - 2000 | Chevrolet C3500 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 1973 - 1986 | Chevrolet K10 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 1988 - 1999 | Chevrolet K1500 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 1973 - 1986 | Chevrolet K20 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 1988 - 1999 | Chevrolet K2500 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 1973 - 1974, 1977 - 1986 | Chevrolet K30 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 1988 - 2000 | Chevrolet K3500 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 1999 - 2007 | Chevrolet Silverado 1500 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 2007 - 2018 | Chevrolet Silverado 1500 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit Except High Desert Package |
| 2001 - 2003, 2005 - 2007 | Chevrolet Silverado 1500 HD | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 2019 | Chevrolet Silverado 1500 LD | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 1999 - 2004 | Chevrolet Silverado 2500 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 2001 - 2016 | Chevrolet Silverado 2500 HD | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 2007 | Chevrolet Silverado 3500 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 2001 - 2006 | Chevrolet Silverado 3500 | — | 8'2" Bed | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 2007 - 2016 | Chevrolet Silverado 3500 HD | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 1973 - 1979, 1985 - 1989 | Dodge D100 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 1977 - 1993 | Dodge D150 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 1973 - 1980 | Dodge D200 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
| 1981 - 1993 | Dodge D250 | — | — | Fifth Wheel Trailer Hitch Rail Kit Drilling Required Install Time is 0 minutes Universal Rail Kit |
The Reese Above-Bed Fifth Wheel Hitch Mounting System Rail & Bracket Kit (Part #30035) fits the following vehicles: 1973-1986 Chevrolet C10; 1988-1999 Chevrolet C1500; 1973-1986 Chevrolet C20; 1988-1999 Chevrolet C2500; 1973-1986 Chevrolet C30; 1988-2000 Chevrolet C3500; 1973-1986 Chevrolet K10; 1988-1999 Chevrolet K1500; 1973-1986 Chevrolet K20; 1988-1999 Chevrolet K2500; 1973-1986 Chevrolet K30; 1988-2000 Chevrolet K3500; 1999-2018 Chevrolet Silverado 1500; 2001-2007 Chevrolet Silverado 1500 HD; 2019 Chevrolet Silverado 1500 LD; 1999-2004 Chevrolet Silverado 2500; 2001-2016 Chevrolet Silverado 2500 HD; 2001-2007 Chevrolet Silverado 3500; 2007-2016 Chevrolet Silverado 3500 HD; 1973-1989 Dodge D100; 1977-1993 Dodge D150; 1973-1980 Dodge D200; 1981-1993 Dodge D250; 1973-1980 Dodge D300; 1981-1993 Dodge D350; 1994-2004 Dodge Dakota; 1994-2010 Dodge Ram 1500; 1994-2010 Dodge Ram 2500; 1994-2010 Dodge Ram 3500; 1975-1983 Ford F-100; 1975-2020 Ford F-150; 2004 Ford F-150 Heritage; 1975-1999 Ford F-250; 1999-2016 Ford F-250 Super Duty; 1975-1997 Ford F-350; 1999-2016 Ford F-350 Super Duty; 2008-2016 Ford F-450 Super Duty; 1975-1978 GMC C15; 1973-1974 GMC C15/C1500; 1979-1999 GMC C1500; 1975-1978 GMC C25; 1967-1974 GMC C25/C2500; 1979-2000 GMC C2500; 1975-1978 GMC C35; 1973-1974 GMC C35/C3500; 1979-2000 GMC C3500; 1973-1978 GMC K15; 1979-1999 GMC K1500; 1973-1978 GMC K25; 1979-2000 GMC K2500; 1973-1978 GMC K35; 1979-2000 GMC K3500; 1999-2018 GMC Sierra 1500; 2001-2007 GMC Sierra 1500 HD; 2019 GMC Sierra 1500 Limited; 1999-2004 GMC Sierra 2500; 2001-2016 GMC Sierra 2500 HD; 2001-2007 GMC Sierra 3500; 2007-2016 GMC Sierra 3500 HD; 2004-2015 Nissan Titan; 2000-2021 Toyota Tundra. This is a universal fit system designed for most full size pickup trucks, so always verify your specific year, make, and model before ordering.
The Reese Above-Bed Fifth Wheel Hitch Mounting System Rail & Bracket Kit (Part #30035) is designed for 8'2" bed trucks and fits most full size pickup trucks. Since this is a universal system, it's custom-made to exact specifications based on your truck's year, make, and model. Check the fitment chart for your specific Chevrolet C10 configuration to ensure proper compatibility.
Yes, the Reese Above-Bed Fifth Wheel Hitch Mounting System Rail & Bracket Kit (Part #30035) is designed to fit the 1973-1986 Chevrolet C10. Your 1980 model falls right within that compatibility range, so this kit will work perfectly for your truck.
The Reese Above-Bed Fifth Wheel Hitch Mounting System Rail & Bracket Kit (Part #30035) fits 1973-1986 Chevrolet C10 models, so unfortunately it won't work for your 2021 model. The C10 was actually discontinued after 1986 and replaced by the C1500/K1500 series, so you'll want to verify your exact truck model and look for the appropriate mounting system for your specific vehicle.
Installation of the Reese Above-Bed Fifth Wheel Hitch Mounting System Rail & Bracket Kit (Part #30035) requires drilling but no welding. The kit comes with all mounting hardware and brackets included, and you'll typically just need basic hand tools. It features a ten bolt design that's straightforward to install once you have the proper measurements marked out.
The 30035 is a fifth wheel hitch base rail mounting kit designed to attach fifth wheel hitches to the truck bed of compatible pickup trucks. It is a 10-bolt rail kit that uses Grade 5 bolts, nuts, and washers to secure mounting brackets to the truck frame and bed. The kit includes two base rails, mounting brackets, spacers, carriage bolts, and hardware. It is manufactured by Reese Products (Horizon Global) and is compatible with a wide range of Chevrolet, GMC, Ford, Dodge/RAM, Toyota, and Nissan pickup trucks from 1973 to current models, though specific applications vary by year, cab style, and bed length.
The 30035 is compatible with many Chevrolet, GMC, Ford, Dodge/RAM, Toyota, and Nissan pickup trucks, but fitment depends on the specific year, model, cab style, and bed length. The manual includes detailed installation diagrams for Chevrolet Silverado and GMC Sierra (1973–2016), Ford F-150/F-250/F-350 (1973–2016), Dodge/RAM 1500/2500/3500 (1973–2012), Toyota Tundra (2000–current), Nissan Titan (2004–2015), and Dodge Dakota (1994–2004). Before purchasing, verify your truck's year, model, cab type, and bed length against the manual's vehicle-specific pages (pages 5–17) or visit www.ReeseProducts.com to confirm compatibility. Some applications require additional kits (see page 18).
No, plastic bed liners must be cut out of the way before installation. The manual states: "Do not install mounting rails over plastic bed liners. Plastic bed liners must be cut out of the way." However, spray-in bed liners are permitted. The manual notes: "Base rails may be installed on spray in liner. Note: Consult installer for recommended curing time." If you have a spray-in liner, confirm with the installer that it has cured sufficiently before installation begins.
The minimum bed length is 6 feet without a Reese Sidewinder Pinbox. The manual states: "DO NOT INSTALL ON OR ATTEMPT TO TOW WITH A TRUCK HAVING LESS THAN A 6' BED WITHOUT A REESE SIDEWINDERTM PINBOX INSTALLED ON THE TRAILER." Short bed trucks (with a minimum of 38" from the back of the cab to the axle centerline) require either a 13" extended pin box or a Reese Sidewinder Pinbox for regular maneuvers. If your truck has a bed shorter than 6 feet, you must use a Reese Sidewinder Pinbox on the trailer.
For long bed trucks, the center of the hitch should be at least 52" from the back of the cab to prevent the trailer from hitting the cab when the trailer is turned 90°. The actual distance required depends on the trailer width and king pin location. Short bed trucks (minimum 38" from back of cab to axle centerline) do not require the 52" measurement if equipped with a 13" extended pin box or Reese Sidewinder Pinbox. Always measure your specific truck and trailer before installation to ensure adequate clearance at both the cab and bumper for turns.
A Reese Sidewinder Pinbox is required for certain short-bed and crew-cab applications. Specifically: trucks with beds shorter than 6 feet require a Sidewinder Pinbox on the trailer; 2004–2019 Chevrolet Silverado 1500 crew cabs with ~5'8" beds require a Sidewinder Pinbox; 2004–2014 Ford F-150 and 2015+ Ford F-150 with ~5'2" beds require a Sidewinder Pinbox; 2007+ Toyota Tundra CrewMax with ~5.5' bed requires a Sidewinder Pinbox; and several RAM and Nissan models with ~5'2" beds require a Sidewinder Pinbox. Check page 18 of the manual for your specific truck model and bed length, or visit www.ReeseProducts.com for current vehicle listings.
Some vehicles require additional kits to complete installation. Check page 18 of the manual for your specific truck model. For example: 2000–2006 Toyota Tundra requires kit 58197; 2007+ Toyota Tundra requires kit 58309; 2003–2012 Dodge RAM 2500/3500 with overload brackets requires kit 58186; 2004–2015 Nissan Titan requires kit 58405; 2004–2014 Ford F-150 requires kit 58426N; 2015+ Ford F-150 requires kit 58545N; and several RAM models require kits 58386N, 58520N, 58522N, or 58523N. Do not start installation until you have read the instructions included with any additional kits, as they contain important details.
The following tools are required: 1/8" drill bit, 17/32" drill bit, 3/4" socket and open-end wrench, 100 lb-ft torque wrench, and C-clamps. Some Dodge applications also require a 1" drill bit. A jack and jack stands are needed to raise and support the truck. The manual recommends that the truck be raised high enough to allow jack stands to be placed under the rear spring hanger bracket to provide maximum room for installation.
The kit includes: 2 long brackets, 2 short brackets, 10 1/2" spacers, 2 spacers, 10 carriage bolts, 8 knurled bolts, 18 1/2" nuts, 18 1/2" lockwashers, 6 1/2" serrated washers, 4 1/2" flat washers, 2 4-1/2" carriage bolts, 2 tube spacers, 2 base rails, and 1 pull wire. The manual notes: "NOT ALL HARDWARE IS GOING TO BE USED ON ALL INSTALLATIONS." The specific hardware used depends on your vehicle's configuration. All bolts are Grade 5 and nuts are Grade 5 unless specified otherwise.
1. Raise the rear of the truck high enough to allow jack stands to be placed under the rear spring hanger bracket. Ensure the truck is properly blocked and restrained to prevent it from falling. 2. Remove any plastic bed liners; spray-in liners may remain if cured. 3. Familiarize yourself with all parts by checking them against the parts list (Fig. 1). 4. Locate the vehicle-specific installation diagram for your truck model and year (pages 5–17). 5. Before drilling, check for obstructions such as fuel lines, brake lines, and structural members beneath the truck bed. 6. Gather all required tools: 1/8" and 17/32" drill bits, 3/4" socket and open-end wrench, 100 lb-ft torque wrench, and C-clamps.
1. Center the hitch between the fender wells. 2. Make sure the rails are square by adjusting their position until both diagonal measurements (measured from the same reference point on the truck bed) are the same. This ensures the rails are parallel and will allow proper installation of a gooseneck or other fifth wheel. 3. Refer to the vehicle-specific diagram for your truck model (pages 5–17) to determine the correct distance from the rear edge of the truck bed to the rear edge of the base rail. Distances vary by vehicle; for example, 2011–2016 Chevrolet Silverado 2500/3500 HD with an 8' box requires 29¾", while a 6' box requires 25¼". 4. Once positioned correctly, proceed to drilling.
Yes, drilling is required. The installation involves drilling 10 holes in the truck bed and frame. The process is: 1. Drill all 10 holes with a 1/8" drill bit as pilot holes. 2. Temporarily position the frame brackets to the frame and align them with the pilot holes to ensure the brackets and holes in the bed align without interference with any structure below the truck bed. 3. If holes do not align, restart positioning at step 7. 4. Enlarge the pilot holes with a 17/32" drill bit. 5. Install 1/2" carriage bolts into the enlarged holes. Some Dodge applications may also require a 1" drill bit. Always check for obstructions (fuel lines, brake lines, structural members) before drilling.
Three drill bit sizes are used: 1/8" for pilot holes, 17/32" for enlarging holes in the chassis frame, and 1" for some Dodge applications. The manual emphasizes: "It is important that 17/32" drill be used for holes in chassis frame as rib neck bolts may break if too small a hole is used and neck may not grip if too large a hole is used." Always use the correct size to ensure proper bolt grip and prevent bolt failure.
Bracket modifications are required for specific vehicles. For Dodge Dakota (1994–2004), the manual states: "Cut 1" from top flange of brackets. Under bed, mount brackets with flanges facing out." For other vehicles, no cutting is mentioned. However, the manual notes that on some vehicles, long and short brackets may need to be switched or repositioned to avoid interference with exhaust hangers, fuel lines, brake cable hangers, or overload springs. Refer to your vehicle-specific installation diagram (pages 5–17) for any required bracket modifications.
The primary permanent modification is drilling 10 holes in the truck bed and frame. For Dodge Dakota models, cutting 1" from the top flange of brackets is required. Plastic bed liners must be cut away or removed. On some vehicles, brackets may need to be repositioned or switched to avoid interference with factory components. The manual notes that on 2013 RAM 2500 HD, a tube spacer must be dropped through a hole in the truck bed to avoid crushing the bed sill when torquing the 4-1/2" carriage bolt. These modifications are permanent and cannot be easily reversed.
All nuts must be torqued to 85 lb-ft. However, there is one important exception: for 1973–1987 Chevrolet and GMC models (both with outside and inside shock absorbers), the manual states: "DO NOT Torque to 85lb-ft (tighten but do not crush bed sill)." For these older models, tighten the nuts firmly but do not apply full torque to avoid crushing the bed sill. Use a 100 lb-ft torque wrench for all other applications.
The kit uses 1/2" carriage bolts, 1/2"-13x1-3/8" ribbed neck bolts (rib neck bolts), and 4-1/2" carriage bolts. All bolts are Grade 5 unless specified otherwise. The manual states: "Use only HORIZON GLOBAL supplied bolts, nuts, and washers to install this kit. All bolts are Grade 5 and nuts are Grade 5 unless specified otherwise." Rib neck bolts have threads pointing outward and must be lubricated on the knurls only; do not lubricate the threads, as this may cause bolt failure.
Spacers fill corrugations and gaps in the truck bed floor to ensure proper bolt seating and prevent crushing of the bed. The kit includes 1/2" spacers and 5/16" thick slotted spacers. For most vehicles, a 5/16" thick slotted spacer is installed above or below the bed to fill corrugations. For Toyota 2000–2006 Tundra, part #58197 spacer kit is required; stack one 3/16" and one 5/16" thick slotted spacer to avoid crushing the truck bed. For 2013 RAM 2500 HD, a tube spacer is used with the 4-1/2" carriage bolt to attach through the rear bed sill (Row 3) and avoid crushing the bed sill when torquing.
1. Install mounting brackets onto carriage bolts with long brackets on forward bolts and short brackets on rearward bolts. (Long and short brackets can be interchanged as needed for your specific vehicle.) 2. Secure bolts through mounting brackets with serrated washers, lock washers, and hex nuts. 3. Secure the other four bolts through the bed with flat washers, lock washers, and nuts. 4. Drill two holes in the frame for each bracket, selecting the holes that give the greatest spread between bolts. 5. Install eight 1/2"-13x1-3/8" ribbed neck bolts (threads pointing out), lock washers, and hex nuts. Tighten nuts until bolt heads seat. 6. Lubricate the knurls of all rib neck bolts (do not lubricate threads). 7. Torque all nuts to 85 lb-ft. Refer to your vehicle-specific diagram for bracket positioning and row placement.
The pull wire is provided to pull rib neck bolts through the frame as needed per application. On some vehicles, particularly those with tubular frames or complex frame designs, the rib neck bolts cannot be easily inserted from the outside. The pull wire allows the installer to thread the bolts through access holes in the frame. For 2013 RAM 2500 HD, the manual notes: "Rib neck bolts will need to be pulled through access holes in frame with supplied pull wire. Wire extensions will need to be added on to the pull wires for the forward rib bolts." If you encounter difficulty inserting bolts, use the pull wire as directed in your vehicle-specific installation diagram.
The bed sill is a critical structural component, and drilling in the wrong location can cause damage. Follow these steps: 1. Find the parallel rows of bed sill spot welds in the truck bed. 2. Do not drill in the ~4" gap between the parallel rows of spot welds where the bed sill sits. 3. Refer to your vehicle-specific diagram (pages 5–17) to identify the correct rows for drilling. 4. After positioning the rails, temporarily install the frame brackets and align them with pilot holes to ensure they do not interfere with the bed sill. 5. If holes do not align without interference, restart positioning. 6. For 2013 RAM 2500 HD, ensure brackets in Row 2 are close to the rear side of the bed sill as shown in the diagram to avoid interference when drilling in Row 3. Always check for obstructions before drilling.
The manual states: "Must install center bolt in one of the center holes in each rail. Check to make sure center bolt does not interfere with bed sill." This note appears on all vehicle-specific diagrams. The center bolt refers to one of the bolts that passes through the center holes of each base rail. You must select one of the center holes for bolt installation and verify that it does not interfere with the bed sill structure before drilling.
The manual includes a critical warning: "If the truck is raised, be sure that the truck is properly blocked and restrained to prevent the truck from falling. Failure to do so may result in the truck suddenly falling, causing death or serious injury." Specifically: 1. Raise the rear of the truck high enough to allow jack stands to be placed under the rear spring hanger bracket. 2. Use jack stands to support the truck; do not rely on a jack alone. 3. Ensure the truck is properly blocked and restrained to prevent it from falling. 4. Never work under a truck supported only by a jack. Always use jack stands as the primary support.
Before drilling, you must check for obstructions beneath the truck bed. The manual states: "Check for obstructions before drilling. Failure to do so could result in damaged fuel or brake lines, structural members, etc." Specifically, check for: fuel lines, brake lines, and structural members. The manual notes: "HORIZON GLOBAL does its best to communicate tow vehicle manufacturer changes; however, it is ultimately the responsibility of the installer to prevent damage due to installation." If you are unsure about what lies beneath the truck bed, consult the truck's service manual or a professional installer.
Lubricate only the knurls of the rib neck bolts. The manual includes a warning: "DO NOT lubricate threads. It may cause bolt failure." The knurls are the ridged portions of the bolt that grip the frame. Lubricating the threads can weaken the bolt and cause it to fail under load. Apply lubricant to the knurled (ridged) surface only, not to the threaded portion.
After installation, perform the following checks: 1. Verify that all nuts are torqued to 85 lb-ft (or tightened firmly without crushing the bed sill for 1973–1987 Chevrolet/GMC models). 2. Ensure the hitch is centered between the fender wells and that both diagonal measurements are the same. 3. Confirm that the center bolt does not interfere with the bed sill. 4. Check that the hitch center is at least 52" from the back of the cab (for long bed trucks) or meets the minimum distance for short bed trucks. 5. Verify that all brackets are properly seated and secure. 6. Check for any interference with suspension components, exhaust hangers, fuel lines, or brake cable hangers. 7. Measure the truck and trailer to ensure adequate clearance at the cab and bumper for turns. The manual states: "Always measure truck and trailer before installing hitch to be sure that there is clearance at the cab and at the bumper to allow for turns."
The manual does not provide a specific maintenance schedule. However, it is recommended that you periodically inspect the installation to ensure all bolts remain tight and that there is no rust or corrosion on the hardware. If you notice any loose bolts, retorque them to 85 lb-ft. For warranty information, the kit is covered by a 10-year limited warranty against defects in material and workmanship under normal use. For specific maintenance recommendations, contact Reese Products at 1-800-632-3290.
If the frame brackets do not align with the holes in the bed after drilling pilot holes, the manual instructs: "If holes do not align with the brackets and rails, restart installation at step 7." This means you must reposition the base rails until both diagonal measurements are the same, ensuring the rails are square and centered between the fender wells. Then repeat the drilling process with new pilot holes. Do not force misaligned brackets, as this can cause improper installation and potential failure.
If rib neck bolts do not fit or grip properly, the hole size is likely incorrect. The manual emphasizes: "It is important that 17/32" drill be used for holes in chassis frame as rib neck bolts may break if too small a hole is used and neck may not grip if too large a hole is used." If holes are too small, the bolt may break; if too large, the knurled neck will not grip. Verify that you used a 17/32" drill bit to enlarge the pilot holes. If the holes are incorrect, you may need to drill new holes in a different location or consult a professional installer. The pull wire provided can help pull bolts through frame access holes if needed.
If the center bolt interferes with the bed sill, you must reposition the base rails. The manual notes on all vehicle-specific diagrams: "Check to make sure center bolt does not interfere with bed sill." If interference occurs, adjust the position of the rails forward or backward (typically +/- 1/2") and re-drill the pilot holes. Ensure both diagonal measurements remain the same to keep the rails square. Do not force a bolt through the bed sill, as this can cause structural damage.
If brackets interfere with exhaust hangers or fuel lines, the manual provides several solutions depending on your vehicle: 1. Switch the positions of the long and short brackets on the driver's side (noted for Ford 1997–2003 F-150 and some other models). 2. Move the base rail location +/- 1/2" to ensure frame brackets do not interfere with bed sills or other components. 3. For some vehicles, reposition forward brackets to Row 2 to avoid brake cable hangers and overload springs. Refer to your vehicle-specific installation diagram (pages 5–17) for recommended bracket positions. If interference persists, consult a professional installer or contact Reese Products at 1-800-632-3290.
The manual notes: "On vehicles with heavy duty suspensions, check for interference with bolts where brackets are mounted to frame. If interference with suspension spring results, cut bolt flush to nut outboard of frame or use weld option." If bolts interfere with suspension springs, you have two options: 1. Cut the bolt flush to the nut on the outboard side of the frame, or 2. Use the optional weld method instead of bolts. Consult your vehicle-specific diagram for the optional weld pattern, or contact a professional installer if you are unsure how to proceed.
If the truck bed is being crushed when torquing bolts, spacers are not being used correctly. The manual states: "Install 5/16" thick slotted spacer above or below bed to fill corrugations in bed floor." Spacers prevent the bed from being crushed by distributing the clamping force. For Toyota 2000–2006 Tundra, stack one 3/16" and one 5/16" thick slotted spacer to avoid crushing. For 2013 RAM 2500 HD, drop a tube spacer through a hole in the truck bed before torquing the 4-1/2" carriage bolt. If crushing has already occurred, stop torquing immediately and verify that spacers are properly installed before continuing. For 1973–1987 Chevrolet/GMC models, do not torque to 85 lb-ft; tighten only until the bolt head seats to avoid crushing the bed sill.
A Reese Sidewinder Pinbox is required for trucks with beds shorter than 6 feet and for certain crew-cab models with ~5'2" beds. Check page 18 of the manual for your specific truck model and bed length, or visit www.ReeseProducts.com.
Required tools: 1/8" and 17/32" drill bits, 3/4" socket and open-end wrench, 100 lb-ft torque wrench, C-clamps, jack, and jack stands. Some Dodge applications also require a 1" drill bit.
Torque all nuts to 85 lb-ft. Exception: for 1973–1987 Chevrolet and GMC models, tighten firmly but do not crush the bed sill (do not apply full 85 lb-ft torque).
Use jack stands to support the truck; never work under a truck supported only by a jack. Ensure the truck is properly blocked and restrained to prevent falling. Check for fuel lines, brake lines, and structural members before drilling. Do not lubricate threads of rib neck bolts; lubricate knurls only.
The minimum bed length is 6 feet without a Reese Sidewinder Pinbox. Short bed trucks require a 13" extended pin box or Reese Sidewinder Pinbox.
Restart installation at step 7 (positioning the rails). Reposition the base rails until both diagonal measurements are the same, ensuring the rails are square and centered between the fender wells. Then repeat the drilling process with new pilot holes. Do not force misaligned brackets, as this can cause improper installation and potential failure.
Verify that you used a 17/32" drill bit to enlarge the pilot holes. The manual states: "It is important that 17/32" drill be used for holes in chassis frame as rib neck bolts may break if too small a hole is used and neck may not grip if too large a hole is used." If holes are too small, the bolt may break; if too large, the knurled neck will not grip. If holes are incorrect, drill new holes in a different location or consult a professional installer. The pull wire provided can help pull bolts through frame access holes if needed.
Reposition the base rails forward or backward (typically +/- 1/2") and re-drill the pilot holes. Ensure both diagonal measurements remain the same to keep the rails square. Do not force a bolt through the bed sill, as this can cause structural damage.
Refer to your vehicle-specific installation diagram (pages 5–17) for recommended bracket positions. Solutions may include: 1. Switching the positions of long and short brackets on the driver's side, 2. Moving the base rail location +/- 1/2", or 3. Repositioning forward brackets to Row 2. If interference persists, consult a professional installer or contact Reese Products at 1-800-632-3290.
If bolts interfere with suspension springs, you have two options: 1. Cut the bolt flush to the nut on the outboard side of the frame, or 2. Use the optional weld method instead of bolts (shown on the vehicle-specific diagram). Consult your vehicle-specific diagram for the optional weld pattern, or contact a professional installer if you are unsure how to proceed.
Stop torquing immediately. Spacers are not being used correctly. Verify that a 5/16" thick slotted spacer is installed above or below the bed to fill corrugations. For Toyota 2000–2006 Tundra, ensure one 3/16" and one 5/16" thick slotted spacer are stacked. For 2013 RAM 2500 HD, ensure a tube spacer is dropped through a hole in the truck bed before torquing the 4-1/2" carriage bolt. For 1973–1987 Chevrolet/GMC models, do not torque to 85 lb-ft; tighten only until the bolt head seats to avoid crushing the bed sill.
Matt
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May 22, 2023
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