PAC Racing Valve Springs - HR Series (16) 1.555 Dual RG20003L Once the engine starts or

Once the engine starts or when the key is released the timing returns to the set mechanical amount

Titanium Protect-A-Sleeve solves the problem of burning

Fits SA/SP126A

install an MSD DIS Series Ignition Control

PAC Racing Valve Springs - HR Series (16) 1.555 Dual RG20003L Once the engine starts orProduct Description: Valve Spring Hot Rod Series Dual Spring Damper 469 lb in Spring Rate 1. 150 in Coil Bind 1. 555 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