Comp Cams Steel Retainer, 3-Valve Ford 4.6L Painted and superior suspension performance

and superior suspension performance

meticulously crafted from premium pre-preg dry carbon fiber

Do I need to remove the door panel to swap this out

Grab your service manual or check with a local shop for the exact fastener specs—they vary by model year

Do I need to upgrade my exhaust piping

Comp Cams Steel Retainer, 3-Valve Ford 4.6L Painted and superior suspension performance7 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