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The Fluidampr harmonic damper for Big Block Chevy 396–427 ci engines offers viscous damping across the rpm band to control harmful torsional vibration, reducing wear on engine components and lowering crankshaft failure risk while helping timing stability and reclaiming torque. Precision CNC-machined steel, black zinc chromate finish and engraved timing marks; maintenance-free, SFI 18.1 certified and made in USA for high-demand builds.
Fluidampr Chevy 396 - 427 CID V-8 Steel Internally Balanced Damper
