Swift Coil-Over Spring - Barrel Type - 2.5" ID x 10" Tall - 475 lb. 57950BK Plug and play features are

Plug and play features are pre-configured in the harness and include dash layouts / screens for::

Annular Discharge

Racepak Boost pressure sensors are crucial to monitoring the performance of your race engine

The knurled retaining nut actually sandwiches the degree wheel and holds it in place

This has been made an accessory circuit for more adaptability

Swift Coil-Over Spring - Barrel Type - 2.5" ID x 10" Tall - 475 lb. 57950BK Plug and play features areINCREASE 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