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 orders over $35.

Enroll in Speed Perks for more savings.


Cart is empty!


Add Something to the cart

includes estimated shipping



Vehicle added

Vehicles

Find parts for the selected vehicle:

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

    Add a


    Add a


    MSD Ignition Rotor; Extreme Output; GM HEI


    Excluded from discounts, except SpeedPerk rewards
    Loading ...
    Exact Fit May Not Fit Doesn't Fit for your

    This item is not eligible for further promotional discounts, coupons or special offers.
    • Product Details

      Part No. 84101

      Warranty Details (90 DAY REPLACEMENT IF DEFECTIVE)

      With the introduction of our 20 Amp extreme HEI module, we needed an HEI cap and rotor that could withstand the high output. The answer was to mold our own HEI cap, rotor and coil cover. The cap and rotor will fit our HEI Pro-Billet distributor, PN 8365, plus will work on stock applications.

      Product Features:

      • Extreme output rotor

    • Read Review
    • Q & A