Swift Bump Spring - 1200 lb. Shoulder Support Assembled using a 80 psi

Assembled using a 80 psi spring and supplied with lower pressure 60 psi spring

1971-1983 Oldsmobile Custom Cruiser

When it comes to which clutch they want or recommend

V300SD and V500SD

**Will not fit MSD Fords Distributors with reluctor welded on weight plate assembly**

Swift Bump Spring - 1200 lb. Shoulder Support Assembled using a 80 psiSwift 2" O. D. bump springs offer the highest measurable shock stroke in the industry and, unlike inefficient rubber and foam bump stops, they are resistant to fatigue and heat. Swift Springs manufactures springs with differing rates for a variety of circle track racing applications. With options for both dirt and asphalt tracks, Swift has a wide range of coil spring formats, including coil over, dual rate, bump springs, and more. Swift Springs