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Fluidampr harmonic balancer adapter hub for internally balanced BBC Chevy 396–427ci engines accepts dual 3/16" keyways and fits Fluidampr part numbers #800101 and #80255E. Offered as the hub only, this adapter matches the internal balance and key configuration required for the specified Big Block Chevy damper applications.
Fluidampr BBC Int Balanced Dual (3/16in & 3/16in) Keyway Harmonic Balancer Adapter Hub (Hub Only)
