PAC Racing RPM Series Valve Spring Single Spring/Damper 540 lb/in Spring Rate 1.115" Coil Bind - 1.260" OD Hypertech 1971-1972 Buick Estate Wagon

1971-1972 Buick Estate Wagon

Flat Top and Flathead distributors

1973-1981 Chevrolet K20 Suburban

50 inch mandrel bent tailpipes for maximum performance and then is finished off with 3

160 gph at 12 psi Preset

PAC Racing RPM Series Valve Spring Single Spring/Damper 540 lb/in Spring Rate 1.115" Coil Bind - 1.260" OD Hypertech 1971-1972 Buick Estate WagonProduct Description: Valve Spring RPM Series Single Spring Damper 540 lb in Spring Rate 1. 115 in Coil Bind 1. 260 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