MSD 85555 Pro-Billet Distributor Black

Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range, Mechanical advance assembly can be locked out for crank trigger systems, Will not accept a vacuum advance canister, O-ring seals can be added to modified blocks to improve oil pressure control, Polished steel shaft is QPQ coated and guided by a sealed ball bearing and extra long sintered bushing, Must be used with an MSD Ignition Control, Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction, Supplied with an HEI style distributor cap and rotor (accepts Cap-A-Dapts, No CARB Exemption Order Number, Nylon pads ensure smooth operation of the advance weights.