For small block Chevy crate motors with Vortec "Fast Burn" cylinder heads
Pressure Relief Valve / Springs
Made from heat-treated 8740 chrome moly steel with heavy duty black oxide finish
Eliminator adjustable shocks feature ultra-low friction rod guides to allow the shocks internals to function to their fullest potential with no "stiction" to interfere with putting the power down
the 8 hole center hub fits most OE fan clutches
Swift Coil-Over Spring - 2.5" ID x 8" Tall - 250 lb. Mopar Starter For small block Chevy crateINCREASE 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