Swift Rear Coil Spring - 5.0" OD x 16" Tall - 50 lb. Sprint Car Engine Accessories 1958-1958 Pontiac Super Chief

1958-1958 Pontiac Super Chief

To produce springs with unparalleled precision and repeatability

Features:CNC machined billet aluminum housing and billet aluminum baseWill not accept a vacuum advance canisterMust be used with an MSD Ignition ControlO-ring seals can be added to modified blocks to improve oil pressure controlΓÇÜ├ä┬ó┬ ¼Î“Çá┬ ¼Î“ÇáSupplied with socket style distributor cap and rotorSpecial oil tract improves lubrication to the distributor and cam gearNylon pads ensure smooth operation of the advance weightsAdvance weight pins are staked and tig welded to the plateMechanical advance assembly can be locked outAdvance 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 bearing and extra long sintered bushingMaintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range┬ ¼Î“ÇáEasy-to-adjust mechanical advance with supplied springs and stop bushingsNo CARB Exemption Order Number

The profile of the sump has been revised to provide extra chassis and steering rack clearance

Big Block Chevy / Small Block Chevy

Swift Rear Coil Spring - 5.0" OD x 16" Tall - 50 lb. Sprint Car Engine Accessories 1958-1958 Pontiac Super ChiefDEVELOPED SPECIFICALLY FOR ROUND TRACK RACING. DESIGNED TO HAVE THE OPTIMAL SPRING RATE SWEET SPOT WHERE THE SPRING IS USED ON ACTUAL VEHICLE. 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