ATI Performance Products Damper - 5.5 - Al - 6 & 4 Grv - Ls1 Y Body 25% Ud W/10% Ud Ac TUWA PRO(R) - Bolt-hole Diameter: 7/16" ID

- Bolt-hole Diameter: 7/16" ID on both ends

Brougham d'Elegance 1955 - 1975 Chevrolet Bel Air Base 1955 - 1956 Chevrolet Bel Air Beauville 1955 - 1957 Chevrolet Bel Air Nomad 1958 - 1972 Chevrolet Biscayne Base 1960 Chevrolet Biscayne Fleetmaster 1969 - 1974 Chevrolet Blazer Base 1969 - 1972 Chevrolet Brookwood Base 1978 - 1980 Chevrolet C10 Big Ten 1975 - 1981 Chevrolet C10 Cheyenne 1975 - 1980 Chevrolet C10 Custom Deluxe 1975 - 1986 Chevrolet C10 Custom

Heavy-Duty Tire Strap: Provides secure and reliable mounting

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ATI Performance Products Damper - 5.5 - Al - 6 & 4 Grv - Ls1 Y Body 25% Ud W/10% Ud Ac TUWA PRO(R) - Bolt-hole Diameter: 7/16" IDSuper Damper Harmonic Dampers The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. Eliminates torsional crankshaft vibrations Exceeds SFI 18. 1 specs Black zinc chromate finished OEM equipment on ZZ572 GM Crate Engines Tunable, rebuildable, and extremely efficient at ALL RPM Laser engraved 360 timing marks Inner and outer shells are available in aluminum or steel, and contain a steel