PAC Racing Springs RPM Series Beehive Valve Spring - 409 lb/in Spring Rate - 1.070 in Coil Bind - 1.034 in / 1.290 in OD (Set of 16) K9035-10 Kit bolts in for most

Kit bolts in for most engine sizes and header combinations

0 and many other popular shifter bases

MSD Circle Track HEI Distributor

600 HP System

All of our most popular add-on features are also available to custom build it to meet your race day requirements

PAC Racing Springs RPM Series Beehive Valve Spring - 409 lb/in Spring Rate - 1.070 in Coil Bind - 1.034 in / 1.290 in OD (Set of 16) K9035-10 Kit bolts in for mostProduct Description: Valve Spring RPM Series Ovate Beehive Spring 409 lb in Spring Rate 1. 070 in Coil Bind 1. 034 in 1. 290 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