For SBC BBC SMALL BIG BLOCK CHEVY PERFORMANCE BILLET READY TO RUN DISTRIBUTOR This polished billet distributor is a perfect fit with HIGH PERFORMANCE street cars and Race Applications. This distributor requires only a high performance 12 volt coil to operate. Features: CNC machined 6061 T6 billet aluminum housing creates incredible strength, precision, and looks. Small cap design suitable for tight spaces in most makes and models. Sealed ball bearings, sintered bushing, and 1/2" hardened steel shaft.