Swift Coil-Over Spring - Barrel Type - 2.5" ID x 10" Tall - 125 lb. 4087RD UEM operates a documented Quality

UEM operates a documented Quality Management System in compliance with ISO 9001:2015

OEM Quality Provides The Strongest/Quietest Gears On The Market

Gear Oil Additive

an industry exclusive and unique-to-FAST integrated fuel pulse damper creates ultra-precise fuel control

Maximum street performance

Swift Coil-Over Spring - Barrel Type - 2.5" ID x 10" Tall - 125 lb. 4087RD UEM operates a documented QualityINCREASE 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