ATI Super Damper SFI 18.1 Harmonic Balancer - 6.325 in OD - Black Oxide - 28 oz External Balance - Small Block Ford 918895 CHOP2SM This pulley features a stock

This pulley features a stock diameter and requires a 3/4 pilot shaft

1973-1988 Ford F-250

Due to their Cool Shell Technology they can be placed in virtually any location under the vehicle

Injector Harness

ATI Super Damper SFI 18.1 Harmonic Balancer - 6.325 in OD - Black Oxide - 28 oz External Balance - Small Block Ford 918895 CHOP2SM This pulley features a stockThe patented ATI Super Damper is the only damper designed exclusively for high performance engines. Eliminates torsional crankshaft vibrations Exceeds SFI 18. 1 specs Laser engraved 360 timing marks Black zinc chromate finished Inner and outer shells are available in aluminum or steel contain the steel inertia weight. The inertia weight has six (2 ring design) or eight (3 ring design) computer machined grooves to retain the proper durometer O rings