Built for DIRT Motorsports, the MSD 6ALN DIRT shares the NASCAR-derived durability of the standard 6ALN but with a Soft Touch Rev Control fixed at 7,600 RPM to save the engine from over-rev damage caused by a missed shift or driveline failure. It's equipped with the 6-pin Deutsch connector to meet NASCAR's ignition wiring rule, with primary wiring that meets MIL-86A specifications and multiple-sparking CD circuits encased in clear two-part silicone elastomer inside a cast aluminum housing for vibration protection, plus a clear base plate for easy tech inspection.
Specifications:
- Voltage Required: 12-18V
- Maximum RPM: 15,000 (fixed 7,600 RPM rev limiter)
- Spark Energy: 110mJ per spark
- Primary Voltage: 470V
- Programmable For: 4, 6, or 8-cylinder engines (by cutting red/blue wire loops)
- Warranty: Manufacturer's Limited 1-Year Warranty
- Part Number: 64316
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
Is the MSD 64316 6ALN DIRT legal for street use?
No. It's legal for sale and use on Racing Use Only Vehicles — competition vehicles that are not registered and never operated on the street.
What's the rev limiter setting?
Fixed at 7,600 RPM.
What connector does it use?
A 6-pin Deutsch connector meeting NASCAR's ignition wiring rule.
How is it protected against vibration?
The CD circuits are encased in a clear two-part silicone elastomer inside a cast aluminum housing.

