AMP Research PowerStep Smartseries Running Board - Power-Deploying - Aluminum - Black - Ram Fullsize Truck 2019-21 - (Pair) Throttle Linkage Rod 5 on 4-3/4" and 5

5 on 4-3/4" and 5 on 5" bolt patterns

Steel roller is 2" wide with a series of 1/4" tall

United States Coast Guard Requirements for Ignition Protection & Fire Resistance

Valve Stem Core

AMP Research PowerStep Smartseries Running Board - Power-Deploying - Aluminum - Black - Ram Fullsize Truck 2019-21 - (Pair) Throttle Linkage Rod 5 on 4-3/4" and 5PowerStep Smart Series Made in the USA Upgrades the Powerstep system to allow in app manual override of the deploying steps and LED lights, no more manual override switch New step profile has been developed to complement and flow with the chiseled design of new body style trucks Includes an auxiliary port to power and operate additional LED lightsVehicle Applications: 2019 2022 Ram 1500 Big Horn Crew Cab Pickup, 2019 2022 Ram 1500 Big Horn Quad Cab