ATI Super Damper SFI 18.1 Harmonic Balancer - 6.325 in OD - Black - Internal Balance - Small Block Chevy 917411 RRP364-BTC 040" aluminum box design allows

040" aluminum box design allows access without removing battery from the box

1967-1978 Dodge Monaco

steel or super lightweight

All BBK exhaust headers are available in a bright chrome or polished silver ceramic coated finish and include new exhaust header gaskets

ATI Super Damper SFI 18.1 Harmonic Balancer - 6.325 in OD - Black - Internal Balance - Small Block Chevy 917411 RRP364-BTC 040" aluminum box design allowsThe 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