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Rotating Assembly Tooling

Harmonic Damper Keyway Fixture
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BHJ Harmonic Damper Keyway Fixture

Part No: DKF-1 DKF, DKF1

BHJ's Harmonic Damper Keyway Fixture provides an easy and accurate method for adding a second keyway to the hub of a harmonic damper, using a typical hydraulic or arbor press. Addition of a second keyway at 180 degrees is common when a damper hub will drive a screw-type supercharger.

A registration plug slides into the damper hub I.D. and indexes the hub at 180 degrees from the existing keyway. A supplied two-pass broach cutter is then drawn through the passage in the registration plug, resulting in a precision second keyway in the damper hub.

The kit includes nine registration plugs to accommodate small and big block Chevrolet, Ford and Mopar applications, including Ford Modular, GM LS and Chrysler Gen. III Hemi. A pair of two-pass broach cutters, one 3/16" and one 1/4" is also included.

BHJ's Crankshaft Dual-Keyway Fixture is a recommended companion to this kit.

Contact us for tech and pricing.

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