ATI Super Damper SFI 18.1 Harmonic Balancer - 6.325 in OD - Black Oxide - 28 oz External Balance - Small Block Ford 918895 R080003S Larger shank diameter provides additional

Larger shank diameter provides additional metal to metal contact with the wheel for reduced stud flex and increases strength

T&D Machine Small Block Chevy / Ford Rockers

B&M Performance and Off-Road has been at the vanguard of the growing automotive aftermarket since the early 1950s

strong vibration forces can be transmitted through the chassis to the MSD unit

ATI Super Damper SFI 18.1 Harmonic Balancer - 6.325 in OD - Black Oxide - 28 oz External Balance - Small Block Ford 918895 R080003S Larger shank diameter provides additionalThe 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