Description

Includes vacuum advance and must be used with an MSD 6, 7 and 8-series ignition.The Street Pro-Billet relies on a magnetic pick-up to trigger the MSD Ignition Control which delivers the powerful sparks to the coil. This pick-up is extremely accurate and never needs adjusting.The Street Pro-Billet is a popular route for people looking for proven race performance for their street cars. A vacuum advance canister provides economy and the proven MSD mechanical advance gives you the opportunity to dial-in a timing curve to fit your needs. Inside, an oversized steel shaft is QPQ-coated for low friction and rides in a sealed ball bearing at the top of the distributor with an extra-long sintered bushing at the bottom. This combination keeps the shaft steady creating accurate spark delivery at any rpm.Nylon pads ensure smooth operation of the advance weightsVacuum advance canister for improved economy (can be locked out)Designed for street/performance use with a mechanical and vacuum advanceMust be used with an MSD Ignition ControlAdvance weight pins are staked and tig welded to the plateAdvance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reductionPolished steel shaft is QPQ coated and guided by a sealed ball bearingO-ring seals can be added to modified blocks to improve oil pressure controlCARB E.O. ApprovedEasy-to-adjust mechanical advance with supplied springs and stop bushingsMaintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm rangeSupplied with an HEI style distributor cap and rotor (accepts Cap-A-Dapts)CNC machined billet aluminum housing and billet aluminum baseSpecial oil tract improves lubrication to the distributor and cam gearMechanical advance assembly can be locked out for crank trigger systems