Swift Coil-Over Spring - Barrel Type - 2.5" ID x 6" Tall - 100 lb. Pilot Bushing Driver these systems are mandrel bent

these systems are mandrel bent for maximum performance and include specially selected mufflers

Slip Fit Connections for Easy Assembly

Features:Pre-installed Bronze Gear for aftermarket billet roller camshaftsGear machined from AMPCO 45 aluminum bronze containing 5% NickelCNC machined billet 6061-T6 aluminum housingMaintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm rangeEasy-to-adjust mechanical advance with supplied springs and stop bushingsNylon pads ensure smooth operation of the advance weightsAdvance weight pins are staked and TIG welded to the plateAdvance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reductionPolished steel shaft is QPQ coated and guided by a sealed ball bearingMechanical advance assembly can be locked out for crank trigger systemsSupplied with Cap-A-Dapt and rotor (accepts MSD socket style caps)Must be used with an MSD Ignition Control

Tinted Lens

Swift Coil-Over Spring - Barrel Type - 2.5" ID x 6" Tall - 100 lb. Pilot Bushing Driver these systems are mandrel bentINCREASE 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