Swift Rear Coil Spring - Tight Helix - 5.0" O.D. x 13" Tall - 215 lb. 2010177 Energy's Hyper-Flex(TM) is superior performance

Energy's Hyper-Flex(TM) is superior performance polyurethane which has proven itself under the most demanding conditions on the race track

Supplied with a 90 degrees spark plug style terminal and boot

Heavy gage base and canister for higher burst strength and impulse fatigue resistance

Duration 282 / 290

Works with most bumpers

Swift Rear Coil Spring - Tight Helix - 5.0" O.D. x 13" Tall - 215 lb. 2010177 Energy's Hyper-Flex(TM) is superior performanceINCREASE 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