Built for Ford 351W engines with an iron gear, this small diameter distributor's housing and cap measure 5/8" smaller than stock, freeing up extra room in front of the engine. MSD's race-proven magnetic pickup and precision reluctor deliver accurate trigger signals to the ignition throughout the rpm range, with the reluctor assembly turned by a hardened steel shaft riding in a sealed ball bearing for high-rpm stability.
Specifications:
- Color: Red
- Engine: Ford 351W
- Distributor Type: Magnetic Pickup
- Gear Material: Cast Iron, Melonized QPQ Coated
- Product Type: Distributor
- Category: Ignition
- C.A.R.B. EO #: D-40-39
- Warranty: Manufacturer's Limited 1-Year Warranty
- Part Number: 8578
Must be used with an MSD 6, 7, or 8-Series ignition control. Supplied with a small diameter cap featuring HEI-style terminals and race rotor (accepts 8441 Cap-A-Dapt).
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
What engine does the MSD 8578 fit?
Ford 351W engines, and it includes an iron gear.
How much smaller is the 8578 housing than stock?
The housing and cap are 5/8" smaller in diameter than a stock Ford distributor.
What ignition control is required?
It must be used with an MSD 6, 7, or 8-Series ignition control.
Is the MSD 8578 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.
