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

It comes with the correct crank coupler for easy installation—even to a stock flywheel housing

Indicator Light Kit

Kits move floor mounted pedals closer to the driver and eliminate the need for extra long seat brackets used to move the driver forward

1979-1990 GMC C2500

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