PAC Racing RPM Series Valve Spring Dual Spring 460 lb/in Spring Rate 1.000" Coil Bind - 1.324" OD 2070121 068" Jet size

068" Jet size

but the smaller port size provides excellent seat-of-the-pants performance and crisp throttle response

the Chassis Brace minimizes lower control arm mounts and K-member deflection with no change in NVH

A hydraulic shock absorber is built into the backplate of the device to help dampen head movement throughout the entire length of impact

PAC Racing RPM Series Valve Spring Dual Spring 460 lb/in Spring Rate 1.000" Coil Bind - 1.324" OD 2070121 068" Jet sizeProduct Description: Valve Spring RPM Series Dual Spring 460 lb in Spring Rate 1. 000 in Coil Bind 1. 324 in OD GM LS Series 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