PAC Racing RPM Series Valve Spring Single Spring 290 lb/in Spring Rate 1.150" Coil Bind - 1.245" OD NB110020 Ford FE Series

Ford FE Series

DryTech Closed Box

If you've used one

This inertia weight has six (2-ring design) or eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application)

Perm-Align

PAC Racing RPM Series Valve Spring Single Spring 290 lb/in Spring Rate 1.150" Coil Bind - 1.245" OD NB110020 Ford FE SeriesProduct Description: Valve Spring RPM Series Single Spring 290 lb in Spring Rate 1. 150 in Coil Bind 1. 245 in OD Small Block Chevy 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