MSD 85551 Pro-Billet Distributor
- Easy-to-adjust mechanical advance with supplied springs and stop bushings.
- Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the RPM range.
- Polished steel shaft is QPQ coated and guided by two sealed ball bearings.
- Advance plate and weights are fine blanked from chromoly steel and QPQ coated for friction reduction.
- Will not accept a vacuum advance canister.