PAC Racing Hot Rod Series Valve Spring Dual Spring 391 lb/in Rate 1.050" Coil Bind - 1.459" OD 4920906 Fits all LS engines using

Fits all LS engines using LS1

XR-1 Sportsman

headers and 2200+ stall

1979-1990 GMC C2500

Fits 2015-2023 Dodge Challenger Hellcat

PAC Racing Hot Rod Series Valve Spring Dual Spring 391 lb/in Rate 1.050" Coil Bind - 1.459" OD 4920906 Fits all LS engines usingProduct Description: Valve Spring Hot Rod Series Dual Spring 391 lb in Spring Rate 1. 050 in Coil Bind 1. 459 in OD 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 services at