8 Rib Supercharger Crank Pulley - 9.170 17% OD - LSA OffsetCompatible with LSA 2650 Superchargers using LSA Offset 10 rib crank pulley 9. 170 dia. with 8 Rib. Raw Aluminum Bolt's to aftermarket harmonic damper's using the classic SBC BBC bolt pattern such as the ATI 918854 and 918859 LSA Damper. Used with all our 8 rib supercharger drive kits
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