PAC Racing Springs Valve Spring Shims - 0.020 in Thick - 1.250 in OD - 0.570 in ID (Set of 16) COM3108 Bars are formed from 1-1/2"

Bars are formed from 1-1/2" steel tubing and mount to the pinion rather than the axle tube to maintain adequate driveshaft clearance

1965-1967 Chevrolet Impala Base CID 283 Naturally Aspirated GAS

A diverse selection of products including fifth wheels

Inlet and outlet Weld Flanges

Mechanical Cooling Fan

PAC Racing Springs Valve Spring Shims - 0.020 in Thick - 1.250 in OD - 0.570 in ID (Set of 16) COM3108 Bars are formed from 1-1/2"Product Description: Valve Spring Shim 0. 020 in Thick 1. 250 in OD 0. 570 in ID Steel Set of 16 Traditional Springs are made from the same size (Diameter) wire throughout the helix of the spring. PAC Racing Springs has partnered with technology leaders in order to provide this advanced new tapered wire product. Tapered wire allows for a true progressive and dual rate without reducing spring travel and increasing weight from traditional methods.