MSD 85501 Distributor

Designed primarily for race applications with no mechanical advance Will not accept a vacuum advance canister Must be used with an MSD 6, 7, 8, or 10 Series Ignition Supplied with an HEI style distributor cap and rotor (accepts Cap-A-Dapts) Supplied with a 0.006†oversized bronze gear installed O-ring seals can be added to modified blocks to improve oil pressure control Special oil tract improves lubrication to the distributor and cam gear Polished steel shaft is QPQ coated and guided by a sealed ball bearing Adjustable slip collar mounting flange for engines with modified deck heights Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range CNC machined billet aluminum housing and billet aluminum base