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Race Parts Melbourne

MSD85551 - Pro-Billet Distributor Small/Big Block Chevy, Magnetic Trigger, Mechanical Advance

MSD85551 - Pro-Billet Distributor Small/Big Block Chevy, Magnetic Trigger, Mechanical Advance

Regular price $704.00 AUD
Regular price Sale price $704.00 AUD
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MSD85551

Pro-Billet Distributor
Small/Big Block Chevy, Magnetic Trigger, Mechanical Advance

  • CNC machined billet aluminium housing and billet aluminium base
  • 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 a sealed ball bearing and extra long sintered bushing
  • 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
  • Nylon pads ensure smooth operation of the advance weights
  • Special oil tract improves lubrication to the distributor and cam gear
  • O-ring seals can be added to modified blocks to improve oil pressure control
  • Supplied with an HEI style di ts Cap-A-Dapts)
  • Must be used with an MSD 6, 7 or 8-Series Ignition
  • Will not accept a vacuum advance canister

This is our most popular performance distributor! The housing is machined from a billet of 6061-T6 aluminium on a state-of-the-art CNC machine producing exact tolerances. For high rpm stability, a .500" steel shaft is supported by a sealed ball bearing and a long sintered bushing. This shaft also receives a QPQ coating for friction reduction and resistance to corrosion. A precision machined reluctor is attached to the shaft which triggers the magnetic pick-up mounted in the housing. This high output magnetic pick-up is the most accurate way to trigger your ignition. Plus, with no moving parts to wear or adjust, the pick-up is maintenance free! Just above the pick-up is MSD's adjustable mechanical advance assembly. Different springs and stop bushings are supplied so you can tune an advance curve to match your application.

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