Swift Bump Spring - 1200 lb. H771001L GP3 / GP3 / M8

GP3 / GP3 / M8 Helmets

Convert your Proma Star

For Ford 289/302 competition engines using modified stock cast iron or aftermarket Windsor-style cylinder heads such as Edelbrock heads #60259 and #77169 or equivalent

Separate bolt in brackets included in the box

Pair Of Heavy Duty Winch Gloves

Swift Bump Spring - 1200 lb. H771001L GP3 / GP3 / M8Swift 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