MSD 85891 Distributor with Internal Module

Simple and clean installation with only three wires to connect Supplied with an HEI style distributor cap and rotor (accepts Cap-A-Dapts) Does not require an MSD Ignition Control Now includes build-in rev limiter! Special oil tract improves lubrication to the distributor and cam gear Nylon pads ensure smooth operation of the advance weights Powerful built-in module produces a 7.5 amp single spark through high rpm Easy-to-adjust mechanical advance with supplied springs and stop bushings Vacuum advance canister for improved economy (can be locked out) CNC machined billet aluminum housing and billet aluminum base Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range Polished steel shaft is QPQ coated and guided by a sealed ball bearing Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction Mechanical advance assembly can be locked out for crank trigger systems Advance weight pins are staked and tig welded to the plate