Swift Bulletproof Coil-Over Spring - 3" ID x 16" - 150 lb. - Bullet Proof 4122SMLRD GM Fullsize Truck 1973-87

GM Fullsize Truck 1973-87

1981-1986 GMC K1500

the GM Track Series Fabricated Aluminum Valve Covers

3 in Extended Length

Swift Bulletproof Coil-Over Spring - 3" ID x 16" - 150 lb. - Bullet Proof 4122SMLRD GM Fullsize Truck 1973-87INCREASE 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