Swift Rear Coil-Over Spring - 2.5" OD x 20" Tall - Progressive 75/150 lb. 4414LRGBK if you race karts or

if you race karts or are involved in auto racing

1975-2002 Ford F-350

6000 / 7000 / 8000 RPM Modules

Water Neck and Thermostat

A great system for street rods and retro muscle cars

Swift Rear Coil-Over Spring - 2.5" OD x 20" Tall - Progressive 75/150 lb. 4414LRGBK if you race karts orDEVELOPED SPECIFICALLY FOR ROUND TRACK RACING. DESIGNED TO HAVE THE OPTIMAL SPRING RATE SWEET SPOT WHERE THE SPRING IS USED ON ACTUAL VEHICLE. 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