The Pro-Mag generates the highest current possible and precisely controls its delivery to the coil and plugs with perfect consistency.

The Pro-Mag delivers unequalled power with the most accurate triggering and timing control in the business!


  • The Pro-Mag is the only maintenance-free magneto available.
  • The Generator never needs to be recharged.
  • The Magnetic Pickup never needs adjustment.
  • Batteries never need to be replaced like traditional magnetos.
  • The Pro-Mag allows you the option of running timing controls.
  • You can also utilize a crank trigger for the utmost in timing accuracy.

Take a walk through the pits at any professional race and note the dominance of MSD Pro-Mag components. This is proof positive of MSD’s superior performance. MSD is truly the epitome of performance ignition!

Magnetos Highlight Image
Magnetos Diagram Image

Available for Chevrolet based engines only.

The Pro-Mag 12 is available with a band clamp mount, as well as special lightweight housings for Chevrolet engines. A separate Electronic Points Box with an integrated coil is used to handle the generator’s output, plus there is even a built-in rev control.


  • No Points to Adjust or Replace.
  • No Batteries to Replace.
  • Magnets Never Need to be Charged.

The Pro-Mag 44 is available only with a band clamp mount for clockwise or counter-clockwise rotation. The 44-amp uses an Electronic Points Box and a severe duty coil to handle the generator’s 44 amps of primary current.

Magnetos Diagram Image


Magnetos Misc Image

Below are the Pro-Mag components used in typical racing applications. If you have any questions about your exact requirements or accessories please contact our magneto experts at 915-856-2785.

Qty Part Number Dual Plug 20 Amp Pro-Mag for Alcohol Racing
2 81502 (CW) or 81602 (CCW) 20 Amp Pro Mag Band Clamp Generator
2 8106 Points Box w/Built-in Rev Limiter
1 35051 Pro-Crimp Tool
1 31559 Universal Wire Set Dual Plug Hemi Set
Qty Part Number Typical Dual Plug 44 Amp Pro-Mag for Fuel Racing
2 8140 (CCW) 44 Amp Band Clamp Generator (or PN 8130, CW)
2 8142 44 Amp Coil
2 8145 or 8147 44 Amp Points Box with Built-In Rev Limiter
1 35051 Pro-Crimp Tool
1 31559 Universal Wire Set Dual Plug Hemi Set
1 8134 44 Amp Kill Switch
Qty Part Number Optional Accessories for 12 and 44 Amp Pro-Mags
1 7730 Power Grid
1 8830 Capacitor
1 7455 Pro-Cap Kit (1 per Generator)
1 8159 Crank Trigger Pickup (For RCD or PSI Crank Triggers)

Back To Top