PAC Racing Valve Springs - HR Series (16) 1.555 Dual RG20003L Manifold will not fit pre-1979

Manifold will not fit pre-1979 engines

Housing is molded from a durable and high dielectric polyester

Attaches to the valley pan on a sprint car engine

install an MSD DIS Series Ignition Control

PAC Racing Valve Springs - HR Series (16) 1.555 Dual RG20003L Manifold will not fit pre-1979Product 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