Compatible with LSA 2650 Superchargers using LSA Offset
10-rib crank pulley 9.170 dia. with 10 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 our 10 rib supercharger drive kits - NOT ANODIZED