AMP Research PowerSteps Running Board Power-Deploying Aluminum Black Anodize - Crew/Double Cab H776C08 Screw-in style arms accept ALL56214

Screw-in style arms accept ALL56214 or Moog K772 ball joints

nyloc nuts

1976-1978 GMC C15

Billet aluminum Y-block is commonly used when connecting inline or remote electric water pumps to AN block adapters

AMP Research PowerSteps Running Board Power-Deploying Aluminum Black Anodize - Crew/Double Cab H776C08 Screw-in style arms accept ALL56214Getting into your truck shouldn't feel like climbing Mount Everest. That's why AMP Research invented the patented PowerStep, the automatic, electric powered running board that instantly extends when you open your door, and retracts out of sight when the doors close for improved ground clearance, aerodynamics and appearance. Its sleek design, all weather performance and legendary reliability set the industry standard. Vehicle Applications: 2008 2017