Swift Bulletproof Coil-Over Spring - 3.5" ID x 16" - 125 lb. Heat Barrier and Sound Deadening Mat 351C/M-400M and 429-460 yield significant

351C/M-400M and 429-460 yield significant power increase over standard hydraulic lifters

Base Plenum Top Mounting Flange Height 8

Street Demon Steel Carburetor Step-Up Springs

extra fine copper wire for maximum spark output

Features:Simple and clean installation with only three wires to connectCARB E

Swift Bulletproof Coil-Over Spring - 3.5" ID x 16" - 125 lb. Heat Barrier and Sound Deadening Mat 351C/M-400M and 429-460 yield significantINCREASE 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