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The Fluidampr harmonic damper for Ford small-block 302/351/400 internal-balance applications replaces the 28 oz external balance and provides viscous damping across the rpm band to reduce torsional vibration, cut wear on engine parts, and reduce crankshaft failure risk. CNC-machined steel with black zinc finish and engraved timing marks; maintenance-free, SFI 18.1 certified and made in USA for reliable domestic builds.
Fluidampr Ford 302 351 / 400 Internal balance (replaces 28 oz in) Steel Internally Balanced Damper
