Compatible with LSA 2650 Superchargers using LSA Offset
12-rib crank pulley 9.170 dia. with 12 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 12 rib supercharger drive kits