PAC Racing 1300 Series Valve Spring Dual Spring 538 lb/in Spring Rate 1.150" Coil Bind - 1.574" OD 10217 Increases horsepower by shielding bottom

Increases horsepower by shielding bottom of intake manifold from hot oil

providing a moderate to aggressive sound level

1980-2005 Chevrolet Impala

1970-1976 Pontiac LeMans

PAC Racing 1300 Series Valve Spring Dual Spring 538 lb/in Spring Rate 1.150" Coil Bind - 1.574" OD 10217 Increases horsepower by shielding bottomProduct Description: Valve Spring 1300 Series Dual Spring 538 lb in Spring Rate 1. 150 in Coil Bind 1. 574 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 various