MSD's most popular performance distributor, machined from a billet of 6061-T6 aluminum on a CNC machine for exact tolerances. A 0.500" QPQ-coated steel shaft is supported by a sealed ball bearing and long sintered bushing for high rpm stability, triggered by a maintenance-free magnetic pickup.
Specifications:
- Category: Ignition
- Product Type: Distributor
- Color: Red
- Distributor Type: Magnetic Pickup
- Gear Material: Cast Iron, Melonized QPQ Coated
- Shaft: 0.500in, QPQ coated
- Housing: CNC machined 6061-T6 billet aluminum housing and base
- Cap: HEI-style distributor cap and rotor (accepts Cap-A-Dapts)
- Warranty: Manufacturer's Limited 1 Year Warranty
- C.A.R.B. EO #: D-40-39
- Part Number: 85551
Must be used with an MSD 6, 7, or 8-series ignition control. Will not accept a vacuum advance canister.
Compliance: This distributor carries California Air Resources Board (CARB) Executive Order EO# D-40-39, making it legal for sale and use on Emissions Controlled Vehicles in all 50 states when installed per MSD's application guide.
FAQ
Is the MSD 85551 distributor CARB legal?
Yes. It carries CARB Executive Order EO# D-40-39, making it legal for sale and use on emissions controlled vehicles in all 50 states when installed per MSD's application guide.
What size shaft does the 85551 use?
A 0.500 inch QPQ-coated steel shaft supported by a sealed ball bearing and long sintered bushing.
What ignition control does the 85551 require?
It must be used with an MSD 6, 7, or 8-series ignition control.
Can this distributor accept a vacuum advance canister?
No, it will not accept a vacuum advance canister.
What cap comes with the 85551?
An HEI-style distributor cap and rotor that also accepts Cap-A-Dapts.
