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MSD Pro-Mag 12 Generator UNIVERSAL

Brand: MSD | Category: Ignition Control
These parts should fit your vehicle, they are universal parts. Click a part number for more information.
79081 12 Amp Pro-Mag Generator
Lite, Short
79083 12LT Pro-Mag Generator
Color Black
8139 12 Amp Pro-Mag Generator
Chevy V8, Tall
79082 12LT Pro-Mag Generator
Color Black
7908 12 Amp Pro-Mag Generator
Lightweight, 4in Cap
79153 12 Amp Pro-Mag Generator
Ford Windsor
Color Black

Product Description

The Pro Mag 12 series is designed for everything from circle track cars to alcohol dragsters. With 12 amps of primary current and powerful sparks that last for up to 26° of crankshaft rotation, the Pro Mag 12 is more than capable of lighting your race fuel completely for total combustion and the most power.

Of course, all this spark energy is useless without accurate ignition timing. To make sure the Pro Mag’s fire reaches the spark plugs at the exact moment, our engineers did away with mechanical points in favor of our race proven magnetic pickup to trigger the Pro Mag. This pickup is much more accurate than points and never requires adjustment or replacement. A precision manufactured reluctor attached to the Mag’s shaft is responsible for triggering the mag pickup at the precise moment.

This trigger signal goes into the Electronic Points Box that also houses the coil and rev limiting functions of the Mag. Here the generator’s spark energy is controlled through unique electrical circuits and delivered to the epoxy filled coil where the voltage is stepped up through specially designed windings.

  • Accurate and maintenance-free magnetic pickup replaces points.
  • Powerful rare earth magnets never require charging.
  • Special power circuit requires no batteries.
  • Only requires 200 – 250 rpm to start the engine.
  • Fully locked-out timing with options to trigger from a crank trigger system.

Pro-Mag 12LT Amp Coil
Designed with Sprint cars in mind, the Pro Mag 12LT is almost 30% lighter than the original Pro Mag, but still produces the same incredible power. The compact housing also sits an inch lower for improved clearance of the fuel injection plus features a band clamp mount for easier timing adjustments. Available for Chevrolet, Ford and Chrysler engines!

While we were at it, we designed a new cap and rotor exclusively for the 12LT series. The cap features brass terminals and is injection molded from Dupont Rynite material for its high dielectric properties and strength. The rotor is also a special design that clamps to the shaft with a retaining bolt assembly.

Each Pro Mag 12LT is supplied with a bronze gear, band clamp, cap and rotor.

  • Compact billet housing is 3.5” in diameter for increased manifold/injector clearance.
  • Rynite injection molded cap with brass terminals and locking rotor.
  • Generator mounts to the housing for easy timing adjustments.

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