PAC Racing Springs Valve Spring Shims - 0.020 in Thick - 1.250 in OD - 0.570 in ID (Set of 16) COM3108 Hex Nuts Included

Hex Nuts Included

2010-2015 Chevrolet Camaro

Mechanical Cooling Fan

CNC Precision Machined for Accuracy

1965-1967 Chevrolet Impala Base CID 283 Naturally Aspirated GAS

PAC Racing Springs Valve Spring Shims - 0.020 in Thick - 1.250 in OD - 0.570 in ID (Set of 16) COM3108 Hex Nuts IncludedProduct 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.