AMP Research 2007-2014 Chevy/GMC/Cadillac SUV PowerStep - BlackGETTING INTO YOUR TRUCK SHOULDN'T FEEL LIKE CLIMBING MOUNT EVEREST. That's why AMP Research invested in POWERSTEP(TM), the automatic, electric powered running board that instantly extends when you open your door, and then hides itself safely out of sight when the doors close for improved ground clearance, aerodynamics and appearance. Its handsome design, all weather performance and legendary reliability set the industry standard. Comes with industry

and custom computer tuning

Rubber Hose

560" beehive valve springs

Dual Valve Springs from COMP Cams® are manufactured from Super Clean™ wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength

5 OHV V8 16  Standard Bel Air

PowerStep SmartSeries Running Board fits 15-22 Chevrolet/GMC Colorado/Canyon

Side steps for hard-working trucks

Designed to maximize horsepower

386lb spring rate

All Gen III/IV LS-based engine families including truck engines (LQ4

the sky is the limit

PowerStep SmartSeries Running Board fits 15-20 Esc/Esc ESV/Sub/Tah/Yuk/Yuk XL