PAC Racing Valve Spring Shims - 0.050" Thick - 1.500" OD - 0.570" ID - Steel (Set of 16) RS00400315 /in rear) offers plenty of

/in rear) offers plenty of support

1972-1972 GMC C15/C1500 Pickup

3/16 in Hex Head

It has the ability to handle higher heat for improved performance and durability and with a cool carbon fiber look

685 in Bore

PAC Racing Valve Spring Shims - 0.050" Thick - 1.500" OD - 0.570" ID - Steel (Set of 16) RS00400315 /in rear) offers plenty ofProduct Description: Valve Spring Shim 0. 050 in Thick 1. 500 in OD 0. 570 in ID Steel Set of 16 PAC Racing Springs is part of the Race Winning Brands Family. With more than 100 years of spring manufacturing experience. We understand the demands of racing and provide a commitment to all of our customers to provide the best service possible. We continue to expand products and offer expanded onsite technical services at various racing events. We believe