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LUVERNE MegaStep 6-1/2" running boards are the ultimate combination of style and functionality. They have 5" wide treads that extend the full length of the side steps, and they feature a strong, lightweight aluminum core with a stainless steel trim for a bright, clean accent. MegaStep running boards mount easily with vehicle-specific brackets, pre-installed fasteners and an adjustable design to perfectly fit your unique vehicle. LUVERNE MegaSteps are designed to offer the best features from a variety of side accessory options. Their non-skid rubber treads cover the entire topside of the boards, giving them the functionality and convenience of a running board. However, unlike most running boards, MegaSteps are styled after the popular look of many nerf bars. This makes them a unique and useful extension of your vehicle. To give MegaStep running boards an even greater advantage over other side steps, they are built to outlast the elements. We construct them with a strong, lightweight aluminum base that naturally resists rust, and we finish them with a high-polish stainless steel trim. The trim is a heavy-duty, 18-gauge stainless steel to make it more than just a fancy accent, and its highly polished finish gives the running boards a bright, long-lasting shine. Installation of LUVERNE MegaStep running boards is easy and customizable. The boards come with pre-installed fasteners and attach using high-strength, vehicle-specific mounting brackets. They are also uniquely designed to be adjustable inward, outward, forward or backward, giving you complete freedom to position the steps wherever you want them. This particular set of running boards is designed to fit specific years of the Chevy Silverado 1500, 2500 HD, 2500 or 3500 HD and GMC Sierra 2500 HD, 3500 or 3500 HD (see application info to verify fitment). Brackets for these running boards are included but ship separately.
LUVERNE MegaStep 6-1/2" running boards are the ultimate combination of style and functionality, featuring 5" wide rubber treads that extend the full length of the side steps for dependable, non-skid traction wherever the road takes you.
LUVERNE has manufactured truck accessories in the United States since 1963, specialising in grille guards, running boards, side steps and mud guards for pickups, commercial vans and SUVs. Products are built primarily from stainless steel, aluminium and mild steel, with model-specific mounting kits that use existing frame locations for a bolt-on installation.
LUVERNE has been manufacturing automotive accessories in the United States since 1963, and six decades of continuous production have made it a nationally recognised name in the truck accessory market. Now a Lippert brand, it concentrates on a defined set of products rather than spreading across the whole aftermarket: front-end protection, step access and spray protection for pickup trucks, commercial vans and sport utility vehicles.
Step products are the largest part of the catalog and the range is unusually deep, because the right step depends on the vehicle's ride height, the width of the rocker panel and how often people get in and out. The O-Mega II six-inch oval steps give a wide, flat standing surface in polished stainless or black powder coat, while the Regal 7 seven-inch oval steps go wider still for full-size crew cabs and lifted trucks. The broader running board and side bar range covers round tube, oval and boxed profiles across cab configurations, with treads positioned at the door openings where they are used.
Grille guards protect the front end against impacts, brush and road debris, built in tubular stainless or steel with model-specific brackets that tie into factory frame mounting points. Because the fit is engineered per vehicle, installation is a bolt-on job that does not require drilling or cutting on most applications.
Rounding out the line, LUVERNE mud guards and mud flaps shield rocker panels, paint and following vehicles from stones and road spray, in widths matched to the tyre and fender they sit behind. Material choice runs through everything the brand does: stainless steel where appearance and corrosion resistance matter most, aluminium where weight is the priority, and mild steel with protective coating where strength and value lead. Customers include contractors, fleet operators, van upfitters and truck owners.
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14 compatible vehicles
| Year | Make & Model | Style | Notes |
|---|---|---|---|
| 2004 - 2013 | Chevrolet Silverado 1500 | Crew Cab Pickup | — |
| 2007 | Chevrolet Silverado 1500 Classic | Crew Cab Pickup | — |
| 2001 - 2014 | Chevrolet Silverado 2500 HD | Crew Cab Pickup | — |
| 2007 | Chevrolet Silverado 2500 HD Classic | Crew Cab Pickup | — |
| 2001 - 2006 | Chevrolet Silverado 3500 | Crew Cab Pickup | — |
| 2007 | Chevrolet Silverado 3500 Classic | Crew Cab Pickup | — |
| 2007 - 2014 | Chevrolet Silverado 3500 HD | Crew Cab Pickup | — |
| 2004 - 2013 | GMC Sierra 1500 | Crew Cab Pickup | — |
| 2007 | GMC Sierra 1500 Classic | Crew Cab Pickup | — |
| 2001 - 2014 | GMC Sierra 2500 HD | Crew Cab Pickup | — |
| 2007 | GMC Sierra 2500 HD Classic | Crew Cab Pickup | — |
| 2001 - 2006 | GMC Sierra 3500 | Crew Cab Pickup | — |
| 2007 | GMC Sierra 3500 Classic | Crew Cab Pickup | — |
| 2007 - 2014 | GMC Sierra 3500 HD | Crew Cab Pickup | — |
Yes, the 571113 MEGA STEP is designed for 2011 and newer GM extended cab and crew cab pickups. The manual does not specify whether it fits single cab models or provide a complete list of compatible truck models and years beyond 2011 and newer. Contact the manufacturer or a fitment specialist to confirm compatibility with your specific truck model and year.
Yes. The rear mounting bracket configuration differs between extended cab and crew cab models. Extended cab trucks use the rear outboard cab mounting bracket (Items #6 and #7) attached to the rear inboard bracket (Item #8) using holes shown in Figure 2. Crew cab trucks use the same brackets but with holes shown in Figure 3. All other mounting brackets and assembly steps are the same for both cab styles.
Yes. If you are mounting the 571113 MEGA STEP on a 1500 truck, you must assemble the load reaction bolt to the front brackets using the supplied angle bracket (Item #17), as shown in Figure 1. This assembly is not required for larger GM pickups.
The kit includes: two front mounting brackets (LH and RH), two center mounting brackets (LH and RH), two rear outboard mounting brackets (LH and RH), two rear inboard mounting brackets, six load reaction studs (double-ended, 3/8-16 x 4.50"), six rubber cushion washers, twelve 3/8" flat washers, twenty-four 3/8" serrated flange nuts, six 3/8" bolts, two washers, six 5/16" square head screws, fourteen 5/16" serrated flange nuts, two 90-degree angle brackets (for 1500 trucks), and two additional fastener sets (hex head cap screws, serrated flange nuts, and flat washers). The step board assembly (Item #1) is sold separately.
No. The MEGA STEP board assembly (Item #1) is sold separately. The 571113 kit includes only the mounting brackets and hardware. You must purchase the step board separately, and its length will vary depending on your application.
The manual does not specify which tools are required for installation. You will need tools to remove and reinstall factory body mount bolts, assemble the load reaction studs with nuts and washers, and tighten fasteners, but specific tool types and sizes are not listed. Contact the manufacturer or an installer for a complete tool list.
The manual does not mention disconnecting the battery. No electrical work is involved in this installation, so battery disconnection is likely not required. However, consult the vehicle manufacturer's service manual or a qualified technician if you have concerns about working near electrical systems.
The manual does not specify whether professional installation is required. The installation involves removing and reinstalling factory body mount bolts, assembling hardware, and tightening fasteners. If you are comfortable working with hand tools and following detailed instructions, you may be able to complete the installation yourself. However, the manual cautions that excessive thread locker is present in the body mount bolt area on 2010+ GM Silverado/Sierra trucks, which may require extra care or professional assistance to avoid damaging threaded inserts.
The manual notes that 2010+ GM Silverado/Sierra trucks have excessive thread locker in the body mount bolt area. When removing the body mount bolts during installation, use caution to reduce the risk of causing damage to the threaded inserts inside the vehicle. This may require extra time, care, or professional assistance.
Follow this sequence: (1) Assemble the load reaction studs with nuts and washers as detailed in Section 2. (2) Attach the load reaction stud assemblies to the body mount brackets (Section 3). (3) Remove factory body mount bolts one side at a time and install the front, center, and rear mounting brackets, leaving fasteners finger tight (Section 4). (4) For extended or crew cab models, attach the rear outboard bracket to the rear inboard bracket using the appropriate figure (Section 4.3.1 or 4.3.2). (5) Attach the step board to the mounting brackets using square head screws and serrated flange nuts (Section 5). (6) Adjust and tighten the load reaction studs and body mount bolts (Section 6).
Each load reaction stud (Item #14) is assembled as follows: (1) On the short threaded end, install a 3/8" serrated flange nut (Item #13) backwards to the bottom of the thread. (2) Install a 3/8" flat washer (Item #12) and rubber cushion washer (Item #11) tight against the serrated flange nut. The end of the stud must be recessed in the rubber washer approximately 3/16". (3) On the long threaded end, install a 3/8" serrated flange nut (Item #13) backwards to near the bottom of the threads. Six studs must be assembled in this manner.
The load reaction studs attach to the body mount brackets. Insert each stud from the inboard (frame) side through the lowest hole in the bent flange of the body bracket that will allow the rubber washer to seat firmly against the side wall of the frame. Install a 3/8" serrated flange nut (Item #13) on the outboard end of the stud and finger tighten it initially. The studs are fully tightened in the final adjustment step (Section 6).
Remove the factory front body mount bolts one side of the vehicle at a time. Install the front mounting bracket (Item #2 for LH or Item #3 for RH) to the front cab mount as shown in the manual, leaving fasteners finger tight. Then install the center mounting bracket (Item #4 for LH or Item #5 for RH) to the center cab mount as shown, also leaving fasteners finger tight. Do not fully tighten these brackets until all brackets are installed and the step is positioned.
Install the rear inboard mounting bracket (Item #8) with washer (Item #16) to the rear cab mount as shown, leaving fasteners finger tight. Then, for extended cab trucks, attach the rear outboard bracket (Items #6 and #7) to the back side of the rear inboard bracket using 3/8" bolts (Item #15), washers (Item #12), and serrated flange nuts (Item #13), using the holes shown in Figure 2, and tighten these bolts. For crew cab trucks, use the same brackets and fasteners but with holes shown in Figure 3.
Insert three 5/16" square head screws (Item #9) into the center slot on the underside of the step board. Position the step on the mounting brackets so that the square head screws are located in the center two slots of the brackets (see Figure 2 for extended cab or Figure 3 for crew cab). Center the step front to back on the cab. Locate the step in and out as desired, then install 5/16" serrated flange nuts (Item #10) on the square head screws and tighten them.
Most fasteners are installed finger tight initially and tightened in stages. The rear outboard bracket bolts (for extended and crew cab models) are tightened immediately after installation (Section 4.3.1 or 4.3.2). The step board nuts are tightened after positioning (Section 5.3). The load reaction stud nuts and body mount bolts are tightened in the final adjustment step (Section 6) after all brackets and the step are in place.
The manual does not provide torque specifications for any fasteners. It instructs you to tighten the body mount bolts per the manufacturer's specifications (referring to the vehicle manufacturer, not Curt). For all other fasteners, the manual uses terms such as "finger tight," "tight," and "tighten" without specifying torque values. Contact the manufacturer or consult the vehicle service manual for proper torque specifications.
The fasteners are: 5/16" square head screws (Item #9), 5/16" serrated flange nuts (Item #10), 3/8" flat washers (Item #12), 3/8" serrated flange nuts (Item #13), 3/8-16 x 4.50" double-ended studs (Item #14), 3/8-16 x 1.00" bolts (Item #15), rubber cushion washers .354 ID x 1.00 OD x .75" thick (Item #11), and additional washers and fasteners as listed in the Service Parts List. All fasteners are black zinc plated or stainless steel as specified.
The rubber cushion washer (Item #11) must be installed so that the end of the stud is recessed into the rubber washer approximately 3/16". The washer is installed tight against the 3/8" flat washer (Item #12) and 3/8" serrated flange nut (Item #13) on the short threaded end of the stud. This assembly ensures proper load distribution and frame contact.
The manual does not mention drilling. The installation uses existing factory body mount bolt holes and pre-drilled holes in the mounting brackets. However, the manual does not explicitly state whether any drilling is required. Contact the manufacturer or an installer to confirm whether drilling is necessary for your specific truck.
The manual does not mention any modifications, cutting, trimming, grinding, welding, or bending of truck components. The installation appears to use factory mounting points and existing holes. However, the manual does not explicitly confirm that no modifications are required. Contact the manufacturer or an installer to verify that no modifications are needed for your specific truck model.
The manual does not provide post-installation inspection procedures or checks. After completing the installation, verify that all fasteners are tightened, the step is centered on the cab, and the load reaction studs are firmly seated against the frame. However, the manual does not specify what to inspect or any testing procedures. Consult the manufacturer or a qualified technician for post-installation inspection guidance.
The manual does not provide any maintenance procedures, retorque intervals, or maintenance schedules. Contact the manufacturer for guidance on periodic inspection, retorquing, or maintenance of the brackets and fasteners.
The manual does not specify a weight capacity or load rating for the 571113 MEGA STEP brackets or step board. Contact the manufacturer for this critical safety information before using the step.
The manual does not provide dimensions for the mounting brackets or step board. The step board length varies depending on the application. Contact the manufacturer for specific dimension information.
The 571113 MEGA STEP fits 2011 and newer GM extended cab and crew cab pickups. Confirm your specific truck model and year with the manufacturer or a fitment specialist, as the manual does not list all compatible models.
Yes. 1500 trucks require the angle bracket (Item #17) to assemble the load reaction bolt to the front brackets (Figure 1). Larger trucks do not require this assembly.
No. The MEGA STEP board (Item #1) is sold separately. The kit includes only the mounting brackets and hardware.
2010+ GM Silverado/Sierra trucks have excessive thread locker in the body mount bolt area. Use caution when removing these bolts to avoid damaging the threaded inserts inside the vehicle.
On the short end, install a 3/8" serrated flange nut backwards to the bottom, then a 3/8" flat washer and rubber cushion washer tight against it, with the stud end recessed approximately 3/16" into the rubber. On the long end, install a 3/8" serrated flange nut backwards near the bottom of the threads.
No torque specifications are provided. Tighten body mount bolts per the vehicle manufacturer's specifications. All other fasteners use terms such as "finger tight" or "tighten" without specific torque values. Contact the manufacturer for proper torque specifications.
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