Skip to Main Content Skip to Footer Links
Error occured! Please reload the page and try again
Choose a Store
Open till 
There are vehicles in your garage

Free shipping on all orders.

Enroll in Speed Perks for more savings.

Cart is empty!

Add Something to the cart

includes estimated shipping

Vehicle added


Find parts for the selected vehicle:

View Vehicles
Are you sure you want to delete this vehicle?

    Add a

    Add a

    PerTronix 9MR-1125 Ignitor II Adaptive Dwell Control Marelli 12 cyl

    Part # 9MR-1125
    Loading ...
    • Product Details

      Part No. 9MR-1125

      Warranty Details (1 YR REPLACEMENT IF DEFECTIVE)

      The Ignitor II has many of the same great features that the Ignitor has, but its smarter. Ignitor II units sense the coil current level and use a powerful micro controller to adjust the dwell. Variable dwell helps to maintain peak energy throughout the en

      Product Features:

      • PerTronix 9MR-1125 Ignitor II Adaptive Dwell Control Marelli 12 cyl
      • Adaptive dwell maintains peak energy throughout the entire RPM range, reducing misfires while improving engine performance.

    • Read Review
    • Q & A
      Ask a question, get answers from real customers and in-house experts.
    Disclaimer: We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact Customer Care if you have any questions or corrections.