R5 Nerf Bars 28-51270 GMC-Sierra-2500-HD-2021 Standards/Compliance (Water Resistance) IK10 Compliant

Standards/Compliance (Water Resistance) IK10 Compliant (Mechanical Impact Testing)

A rubber lid seal in included to keep out unwanted engine heat

*OPTIONAL* - We offer two sets of control arms

- Fitment - 2019+ Ram 2500 4x4

Much of the jarring ride of the leaf-spring rear can be attributed to the factory vulcanized bushings in the leaf spring pack and shackle

R5 Nerf Bars 28-51270 GMC-Sierra-2500-HD-2021 Standards/Compliance (Water Resistance) IK10 CompliantMount kit included Injection molded polymer step pad Protects vehicle rocker panels from potential damage 5 wide step area Triangular internal board design conceals brackets for a clean look Injection molded bracket covers included on some applications Optional light kit for end caps (part no. 28 51003) sold separately WARNING: Some products may contain chemicals such as DEHP, which can cause cancer, birth defects or other reproductive harm. For more