Built for the rigors of late model, modified, and off-road circle track racing, this Pro-Billet distributor was developed with input from top racers and engine builders. A CNC-machined billet aluminum housing provides a solid foundation, while a large-diameter Ford-style cap prevents spark scatter and bolts securely in place.
Specifications:
- Color: Black
- Distributor Type: Magnetic Pickup, Locked Out
- Gear Material: Bronze, 0.006" Oversized
- Product Type: Distributor
- Category: Ignition
- Warranty: Manufacturer's Limited 1-Year Warranty
- Part Number: 85705
Billet reluctor and magnetic pickup are parylene coated for corrosion resistance; a weather-tight connector seals and locks the pickup wiring. Adjustable slip collar allows precision installation with modified blocks or intakes.
Compliance: This part is legal for sale and use on Racing Use Only Vehicles — competition vehicles that are not registered and never operated on the street. It is against the law to install this part on an Emissions Controlled Vehicle (1966-and-newer California-certified or 1968-and-newer federally certified vehicles).
FAQ
What racing applications is the MSD 85705 built for?
It's designed for the rigors of late model, modified, and off-road circle track racing.
Is the MSD 85705 legal for street use?
No. This part is legal for sale and use on Racing Use Only vehicles — competition vehicles that are not registered and never operated on the street. Installing it on an emissions-controlled street vehicle is against the law.
What gear does the 85705 use?
It's equipped with a 0.006" over-sized bronze gear.
Can the mechanical advance be adjusted?
No — this distributor is supplied locked out for dedicated race applications rather than with an adjustable mechanical advance.

