Swift Coil-Over Spring - Barrel Type - 2.5" ID x 12" - 200 lb. SRB23C Compatible with all GM automatic

Compatible with all GM automatic and Tremec T56/T56 Magnum transmissions

high gas pressure design for the utmost in consistent fade-free performance and long life

Up to 50% lighter than steel retainers

Pushrod Guide Plate

Insulation Resistance - &gt

Swift Coil-Over Spring - Barrel Type - 2.5" ID x 12" - 200 lb. SRB23C Compatible with all GM automaticINCREASE 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