2015-2019 GMC/CHEVY 2500/3500 OCTANE REAR BUMPER SUPERDUTY F250/F350 6L L5P Duramax and can

6L L5P Duramax and can be installed in just a few minutes

These new arms are sure to start a new revolution in upper control arm expectations

Finish Warranty

To help the DRP series lift pump perform to its top potential FASS has designed an optional pump relocation kit that will move the lift pump closer to the fuel tank

2015-2019 GMC/CHEVY 2500/3500 OCTANE REAR BUMPER SUPERDUTY F250/F350 6L L5P Duramax and canThe Chassis Unlimited "Octane Series" rear bumper arrives at your doorstep fully prepared for installation, boasting a sleek 3 Stage texture black powder coat finish. Introducing a fresh perspective to the bumper market, the Octane Series redefines style with its innovative low profile design and assertive aesthetics. Engineered with our signature 3 piece construction, these bumpers feature a pioneering fitment that stands out. Adding to their