PAC Racing 1200 Series Valve Spring Dual Spring 550 lb/in Spring Rate 1.100" Coil Bind - 1.550" OD 1443A26 Provides excellent bearing oil film

Provides excellent bearing oil film thickness for aluminum blocks and looser clearance engines

chances are you need a driveshaft safety loop to be NHRA legal

AFR Stud Girdles are designed to eliminate rocker stud flexing and the associated horsepower loss of today's high-lift cams and high-pressure valve springs

1960-1962 Chevrolet C40

PAC Racing 1200 Series Valve Spring Dual Spring 550 lb/in Spring Rate 1.100" Coil Bind - 1.550" OD 1443A26 Provides excellent bearing oil filmProduct Description: Valve Spring 1200 Series Dual Spring 550 lb in Spring Rate 1. 150 in Coil Bind 1. 550 in OD Circle Track Endurance 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