Swift Bulletproof Coil-Over Spring - Conical - 2.5" ID x 18" Tall - 50 lb. Quarter-Turn Fastener Insert Plate these adapters are much stronger

these adapters are much stronger than factory aluminum bellhousings and allow for easier welding of brackets etc

Black Tuned-Port Aluminum Bracket

oval track/road race and street

the Racepak AF-1 package includes the following items:

Bypass Valve Spring Kit

Swift Bulletproof Coil-Over Spring - Conical - 2.5" ID x 18" Tall - 50 lb. Quarter-Turn Fastener Insert Plate these adapters are much strongerINCREASE TRACTION, LESS UN SPRUNG MASS, MORE STROKE, INCREASED HANDLING. THE ONLY THING YOU WILL BE LOSING IS TRACK TIME. Pit Stop USA offers Swift Coil Over Spring 2. 5" ID x 18" Tall 50 lb. 180 2550 050 BP at low everyday prices. Check out all our products from Swift Springs including Swift 2 1 2" ID x 18" Tall, 2 1 2" x 18" Coil over Springs. Swift Springs manufactures springs with differing rates for a variety of circle track racing applications.