AMP Research Replacement Step Assembly 62in 40184 4 Ohm RMS Power Bridge

4 Ohm RMS Power Bridge (14

4 Liter 4T45-E

forged chomoly sway bar arms

Integrated 6dB mylar crossover for maximum efficienc

AMP Research Replacement Step Assembly 62in 40184 4 Ohm RMS Power BridgeGetting 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. PowerStep*; 62 in.; Black;