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.
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.