PAC Racing RPM Series Valve Spring Dual Spring 409 lb/in Spring Rate 1.000" Coil Bind - 1.290" OD 9210D These lifters for Chevrolet Small/Big

These lifters for Chevrolet Small/Big Block and 348-409 yield significant power increase over standard hydraulic lifters

Edelbrock Hydraulic Roller Lifter Kit

Change Shift Light and RPM Launch

We all know that

Reduces wheel hop in acceleration

PAC Racing RPM Series Valve Spring Dual Spring 409 lb/in Spring Rate 1.000" Coil Bind - 1.290" OD 9210D These lifters for Chevrolet Small/BigProduct Description: Valve Spring RPM Series Dual Spring 409 lb in Spring Rate 1. 000 in Coil Bind 1. 290 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