ATI 917080 Super Damper Harmonic Balancer SBC 7.074 in. OD External Balance

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ATI designed this 917080 Super Damper Harmonic Balancer for Small Block Chevy Gen I engines. Super Dampers are the only harmonic balancers developed just for high performance engin es, tested in Winston Cup competition as well as drag racing engines for over ten years! The steel inner as well as outer shells contain the steel inertia weight that has eight computer machined grooves to retain the proper durometer O-rings. This balancer comes in a black zinc chromate finish with computer controlled, laser engraved 360 degree timing marks. From the drag strip to the street, ATI harmonic balancers are the perfect choice. ATI 917080 Super Damper Harmonic Balancer Features: Fits Small Block Chevy 400 engines Engine Balance: External - 26 oz imbalance SFI Rating: 18.1 Harmonic Balancer Material: Steel Harmonic Balancer Construction: Elastomer Outside Diameter: 7.074 in. Inertia Weight: 4.5 lbs. Total Weight: 11.5 lbs. Degrees Outer: 360 Keyway Quantity: One Keyway Size: 3/16 in. Finish: Black Zinc Chromate Quantity: Sold Individually Located just outside of Baltimore, MD, ATI Performance Products specializes in automatic transmissions as well as their components for the Racing markets. ATI's product line includes a full line of automatic transmissions and related parts, including harmonic balancers, crankshaft hubs, as well as timing pointers. Fasteners, fluids, tailhousings, as well as other drive train parts are also manufactured. Show more