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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
Compatible with both original HEI ignition systems and later model computer controlled HEI systems
Less drivetrain wear
2800+ stall
Improves Transmission Life
Stock Number 6681
Swift Coil-Over Spring - Barrel Type - 2.5" ID x 12" - 125 lb. PTT-HM-SC-12 Compatible with both original HEIINCREASE 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
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