PAC Racing Springs 1300 Series Drag Race Dual Valve Spring - 400 lb. - 0.850 in Coil Bind - 1.106 in OD (Set of 16) 1239273 875 in W x 16

875 in W x 16

Brodix Big Duke/Brodie Head

350" long Hi-Tech 5/16" diameter pushrods handle the requirements of today's all-out race engines

Ultra-Lite II

Three 1/2 in Mounting Holes

PAC Racing Springs 1300 Series Drag Race Dual Valve Spring - 400 lb. - 0.850 in Coil Bind - 1.106 in OD (Set of 16) 1239273 875 in W x 16Product Description: Valve Spring 1300 Series Drag Race Dual Spring 400 lb in Spring Rate 0. 850 in Coil Bind 1. 106 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