COMP Cams Valve Spring Shims # CC4752-16 Rate_Engine FORD BRONCO F150 F250 F350

FORD BRONCO F150 F250 F350 WITH CAST I BEAM AXLES AXLE PIVOT BUSH KIT # 4-3133G

Chev Big Block Mark V ARP High Performance Series Rocker Arm Studs # 135-7122

4-Speed Auto

FORD F150 FRONT DISC BRAKE HARDWARE KIT 1986 - 1993 HK-3063

Ford 289W 302W 351W Motorsport Heads REMFLEX Exhaust Manifold Gaskets # REM3017

COMP Cams Valve Spring Shims # CC4752-16 Rate_Engine FORD BRONCO F150 F250 F350Valve Spring Shims, Steel, Hardened, 1. 640 in. Outside Diameter, . 060 in. Thick, Set of 16 CC4752 16 Hardened: No Outside Diameter (in.): 1. 640 Inside Diameter (in.): 0. 650 Quantity: Sold as a set of 16. COMP Cams Valve Spring Shims As with all other parts in the valvetrain, the area where the spring sits takes a beating. The old standard shims simply will not hold up to the extreme pressures and high rpm found in today's performance engines. COMP