PAC Racing Springs Valve Spring Shims - 0.020 in Thick - 1.250 in OD - 0.570 in ID (Set of 16) PRO/CAM Racing Engine Components 1971-1974 GMC P35/P3500 Van

1971-1974 GMC P35/P3500 Van

969 in Long

Grant offers quick release hubs for quick removal and remount of our wheels

This Top End Kit produced 315 HP & 381 TQ on a 350 c

and Mopar B/RB engine applications

PAC Racing Springs Valve Spring Shims - 0.020 in Thick - 1.250 in OD - 0.570 in ID (Set of 16) PRO/CAM Racing Engine Components 1971-1974 GMC P35/P3500 VanProduct 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.