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 chromoly mechanical advance assembly. Different advance springs and stop bushings are supplied so you can choose from a variety of 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 MSD red cap and Race Rotor.

Features:
  • Designed for street/performance use with a mechanical and vacuum advance
  • Will not fit 235 and 261 engines
  • Must be used with an MSD Ignition Control
  • Supplied with a socket style distributor cap and rotor
  • 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
  • Nylon pads ensure smooth operation of the advance weights
  • Advance weight pins are staked and tig welded to the plate
  • Mechanical advance assembly can be locked out for crank trigger systems
  • Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction
  • Polished steel shaft is QPQ coated and guided by a sealed ball bearing
  • Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range
  • CNC machined billet aluminum housing and billet aluminum base
  • Vacuum advance canister for improved economy (can be locked out)
  • Easy-to-adjust mechanical advance with supplied springs and stop bushings
  • CARB E.O. Approved
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