Comp Cams Steel Retainer, 3-Valve Ford 4.6L Painted Clean the bed rails where

Clean the bed rails where the cover will mount

Maintains a controlled

Complete rear bumper assembly

Function: Power-adjustable with integrated heating

or should I take it to a shop

Comp Cams Steel Retainer, 3-Valve Ford 4.6L Painted Clean the bed rails where7 Steel Retainer: . 959" Spring Dia. Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs. COMP Cams steel retainers are the solution. Our steel retainers are precision machined from 4140 chromemoly steel and finished in black oxide. These precision retainers are specifically designed for positive location when combined with COMP Cams high quality valve springs for superior strength and ultimate