Swift Bump Spring - 3000 lb. Drink Bottle Bite Valve 1977-1985 Chevrolet Impala CID 305

1977-1985 Chevrolet Impala CID 305 GAS

they eliminate the need to set crankshaft reference angles or rotor phasing manually before installation

Proper position of internal piston at higher rpm prevents lifters form harmful "pumping up"

One Wire Operation

V-Band Flanges & Header Bolts

Swift Bump Spring - 3000 lb. Drink Bottle Bite Valve 1977-1985 Chevrolet Impala CID 305Swift 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