85501 MSD Distributor M4685501

MSD PRO-BILLET LOCKED-OUT DISTRIBUTOR, BILLET ALUMINUM, NATURAL -- Fits Chevrolet V-8; Magnetic trigger, male/HEI cap style, bronze gear material, clockwise rotation, non-computer controlled compatible, no mechanical tach drive; With adjustable slip collar mounting flange for engines with modified deck heights; Made from CNC machined billet aluminum housing and base clears; Designed with a polished steel shaft that is QPQ coated and guided by a sealed ball bearing; Features a maintenance-free magnetic pick-up and precision reluctor cable that create stable trigger signals throughout the rpm range and special oil tract that improves lubrication; O-ring seals can be added to modified blocks to improve oil pressure control; Supplied with a 0.006 in. oversized bronze gear installed and an HEI style distributor cap and rotor; For race applications with no mechanical advance; Must be used with MSD 6, 7, 8 or 10 series ignition; Requires ignition box; Not for marine use; Accepts Car-A-Dapt; Will not accept a vacuum advance canister; No CARB exemption order number.