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This Fluidampr harmonic balancer adapter hub is an externally balanced single‑keyway hub for small block Chevy (SBC) applications and is sold as the hub only. It fits Fluidampr part #720111 and supports recommended press fit tolerances to maintain vibration control. The adapter is intended for externally balanced SBC engines requiring the specified Fluidampr hub.
Fluidampr SBC Externally Balanced Single Keyway Harmonic Balancer Adapter Hub (Hub Only)
