COMP Cams ID Spring Seats Eb 1.625 X 63 4775-100 4G4RBF only for use with truck

only for use with truck beds that offer a light option

Engineered to withstand harsh conditions and potential threats

A mixed spacer kit  - 10mm ID 4 x 3

One for each side of the decal

Vandura Special 1980 GMC K1500 Sierra Classic

COMP Cams ID Spring Seats Eb 1.625 X 63 4775-100 4G4RBF only for use with truckCOMP Cams Valve Springs, Retainers 4775 100 The older style standard shims will not hold up to the extreme spring pressures and high RPM found in racing engines being built today. COMP Cams offers a simple but effective solution to this problem a thin, hardened steel alloy seat which will not only protect the head and shim but also locate and hold the spring in place. Previously, this part has been available only in a cup form with the retaining