Swift Coil-Over Spring - Barrel Type - 2.5" ID x 6" Tall - 150 lb. Weld-On Bung and Cap Features:Designed for use in marine

Features:Designed for use in marine applications with Chevy V8 automotive enginesWill not accept a vacuum advance canisterSupplied with a bolt down HEI style distributor cap and rotorWeathertight connectors are used for locked and sealed connectionsMust be used with an MSD Ignition ControlO-ring seals can be added to modified blocks to improve oil pressure controlSpecial 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 out for crank trigger systemsAdvance 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 rangeEasy-to-adjust mechanical advance with supplied springs and stop bushingsCNC machined billet aluminum housing and billet aluminum base with two flame arrestor holes with brass screensUL Approved

13-1/2" wide

Black Plated Bolts

two 1/2" compression fittings

Includes Block Plate for a Complete Fitment Solution

Swift Coil-Over Spring - Barrel Type - 2.5" ID x 6" Tall - 150 lb. Weld-On Bung and Cap Features:Designed for use in marineINCREASE 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