This Chevy V8 Pro-Billet Ignition Bundle pairs MSD's most popular performance distributor with an Ultra 6AL ignition box and a Blaster 2 ignition coil for a complete upgrade in one package. The distributor housing is CNC-machined from 6061-T6 billet aluminum, and a .500" steel shaft with a QPQ coating rides on a sealed ball bearing and long sintered bushing for high-rpm stability. A precision-machined reluctor triggers the maintenance-free magnetic pickup, and an adjustable mechanical advance assembly is supplied with different springs and stop bushings for tuning the advance curve.
Specifications:
- Distributor Type: Magnetic Pickup
- Gear: Cast Iron, Melonized QPQ Coated
- Color: Red
- Includes: Pro-Billet Distributor, Ultra 6AL Ignition Box, Blaster 2 Ignition Coil, Timing Tape
- Cap/Rotor: HEI-Style, Accepts Cap-A-Dapts
- Mechanical Advance: Lockable for Crank Trigger Systems
- Vacuum Advance: Not Accepted
- No CARB Exemption Order Number
- Part Number: 85551K
Must be used with an MSD 6, 7, or 8-series ignition.
FAQ
What does the 85551K bundle include?
A Pro-Billet Distributor, an Ultra 6AL ignition box, a Blaster 2 ignition coil, and timing tape.
What ignition boxes is this distributor compatible with?
It must be used with an MSD 6, 7, or 8-series ignition.
How is the mechanical advance adjusted?
Different springs and stop bushings are supplied so the advance curve can be tuned to the application, and the assembly can be locked out for crank trigger systems.
Does this distributor accept a vacuum advance canister?
No, it will not accept a vacuum advance canister.

