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ATI steel crank hub for Honda B-series race applications without a 4-groove pulley. This hub supports race-oriented engine builds that omit the 4-groove pulley and require a dedicated crankshaft mounting interface. Offered as race hardware, it’s intended for modified or competition engines where factory pulley configurations are changed for performance reasons.
ATI Crank Hub - Steel - Honda B - Race No 4 Grv Pulley
