Overview Starting on the inside, a 0.500" oversized steel shaft spins in a sealed ball bearing and sintered bushing for long endurance and accurate spark delivery throughout the entire rpm range. Mounted on top of the shaft is an easy-to-adjust chro-moly mechanical advance assembly. Different advance springs and stop bushings are supplied so you can choose from 24 curves. | A maintenance-free magnetic pick-up provides accurate trigger signals to your MSD Ignition Control. A precision-manufactured reluctor that is connected to the shaft is responsible for triggering the pick-up. The distributor is topped off with a high quality black cap and Race Rotor. For 90 degree V6, Even-Fire 4.3L engines. Must be used with an MSD 6, 7 or 8-series ignition Features Advance weight pins are staked and tig welded to the plate Special oil tract improves lubrication to the distributor and cam gear 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 and extra long sintered bushing No CARB Exemption Order Number Nylon pads ensure smooth operation of the advance weights Mechanical advance assembly can be locked out Easy-to-adjust mechanical advance with supplied springs and stop bushings Must be used with an MSD Ignition Control Will not accept a vacuum advance canister Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction O-ring seals can be added to modified blocks to improve oil pressure control• Supplied with socket style distributor cap and rotor
