Swift Bulletproof Coil-Over Spring - Conical - 2.5" ID x 18" Tall - 50 lb. Helmet Shield Pivot Kit Driver adjustable based on engine

Driver adjustable based on engine knock/load for towing or track conditions

Other spring designs use the cinch style bend clips which bend tightly over the spring leafs causing binding and friction

Each set includes the rear main bearing seals

2008-2008 Chevrolet W3500 Tiltmaster

Swift Bulletproof Coil-Over Spring - Conical - 2.5" ID x 18" Tall - 50 lb. Helmet Shield Pivot Kit Driver adjustable based on engineINCREASE 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.