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) Decklid 3" Bolt Pattern

3" Bolt Pattern

Features high-tech silicone material for long life

Our experience means that BluePrint is the best choice for your crate engine

2-1/2 in Coil-Over to 5 in Spring

6 or 8-cylinder engines and must be used with an MSD Ignition Control

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) Decklid 3" Bolt PatternProduct 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