Swift Coil-Over Spring - Barrel Type - 2.5" ID x 12" -500 lb. Mark Williams Enterprises Made of heat treated glass

Made of heat treated glass fiber with a reflective coating

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These accessories include anodized air cleaner hold nuts

helping to build low pressure while improving vacuum signal to the carb

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Swift Coil-Over Spring - Barrel Type - 2.5" ID x 12" -500 lb. Mark Williams Enterprises Made of heat treated glassINCREASE TRACTION, LESS UN SPRUNG MASS, MORE STROKE, INCREASED HANDLING. THE ONLY THING YOU WILL BE LOSING IS TRACK TIME. 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 superior engineering has provided the next generation of