MSD Performance (85555): V8 Pro-Billet Distributor for Chevy (Black)

The most popular performance distributor in the MSD Performance lineup is now available in black! The 85555 V8 Pro-Billet Distributor for Chevy, which must be used with an MSD 6-, 7-, or 8-series ignition, features housing that is CNC machined from a billet of 6060-T6 aluminum to achieve exact tolerances. It also features a high-output magnetic pick-up—the most accurate way to trigger your ignition. With no moving parts to wear or adjust, the pick-up is maintenance free!

Note: No CARB exemption order number is available for this product. Will not accept a vacuum advance canister. Must be used with an MSD ignition control.


  • CNC-machined billet-aluminum housing and billet-aluminum base.
  • Supplied with an HEI-style distributor cap and rotor (accepts Cap-A-Dapts).
  • 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/weights are fine blanked from chrome-moly steel and QPQ coated.
  • 500” polished steel shaft guided by sealed ball bearing and extra-long sintered bushing.
  • Maintenance-free magnetic pickup and precision reluctor.
  • Easy-to-adjust mechanical advance with supplied springs and stop bushings.

MSD Performance (85555): V8 Pro-Billet Distributor for Chevy (Black)

Ready to buy? Need help with the install? To find your nearest Parts Pro affiliate, see our Store Locator. Or join the conversation at the Parts Pro Facebook page!

Though this is not a paid review, this content has been produced by The AAM Group in support of manufacturers with whom it has a business relationship.

Leave a Reply

Your email address will not be published. Required fields are marked *