Comp Cams Steel Retainer, 3-Valve Ford 4.6L Painted Eliminates the factory distributor as

Eliminates the factory distributor as a performance limitation – distributor wear

and superior suspension performance

1968 Mercury Cougar/XR7 (390ci V8)

Do I need to upgrade my exhaust piping

or should I take it to a shop

Comp Cams Steel Retainer, 3-Valve Ford 4.6L Painted Eliminates the factory distributor as7 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