Designed with Sprint cars in mind, the Pro-Mag 12LT is nearly 30% lighter than the original Pro-Mag while producing the same incredible power. This black version keeps the compact housing that sits an inch lower for improved fuel injection clearance, and uses a band clamp mount for easier timing adjustments, along with MSD's dedicated Rynite cap and rotor.
Specifications:
- Color: Black
- Part Type: Generator
- Sub Category: Alternator / Generator and Related Components
- Includes: Bronze gear, band clamp, cap, and rotor
- Part Number: 79083
Note: A 12LT Generator cannot be upgraded to a 20 Amp Pro-Mag.
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 is the Pro Mag 12LT Generator (PN 79083) designed for?
It's designed with Sprint cars in mind, offering nearly 30% less weight than the original Pro-Mag with the same power output, in a black finish.
What's included with the generator?
It comes supplied with a bronze gear, band clamp, cap, and rotor.
Can a 12LT be upgraded to a 20 Amp Pro-Mag?
No, a 12LT Generator cannot be upgraded to a 20 Amp Pro-Mag.
Is this part legal for street use?
No. It carries MSD Emission Code 4 and is legal for Racing Use Only vehicles, not street-driven emissions-controlled vehicles.

