PAC Racing Valve Spring Shim - 0.015 in Thick - 1.500 in OD - 0.570 in ID - Set of 16 RS00500308 The 4773 features a 1

The 4773 features a 1

carb stud & wing nut

Race track proven design and reliability

1996-2015 Chevrolet Express 2500

130 tooth Flywheel

PAC Racing Valve Spring Shim - 0.015 in Thick - 1.500 in OD - 0.570 in ID - Set of 16 RS00500308 The 4773 features a 1Product Description: Valve Spring Shim 0. 015 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