PAC Racing Springs 1300 Series Drag Race Dual Valve Spring - 740 lb. - 0.973 in Coil Bind - 1.300 in OD (Set of 16) YA0816 The ball joints are grease-able

The ball joints are grease-able and rebuildable

625" hole mounting

The Edelbrock part #35850 Pro-Flo 4 EFI System for Big-Block Chevy Rectangle Port engines is equipped with the latest in technology and features

1988-1997 GMC K2500

Pin retaining clips included

PAC Racing Springs 1300 Series Drag Race Dual Valve Spring - 740 lb. - 0.973 in Coil Bind - 1.300 in OD (Set of 16) YA0816 The ball joints are grease-ableProduct Description: Valve Spring 1300 Series Drag Race Dual Spring 740 lb in Spring Rate 0. 973 in Coil Bind 1. 300 in OD 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