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    MSD Ignition GM HEI Weight and Spring Kit


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    • Product Details

      Part No. 8428

      Warranty Details (90 DAY REPLACEMENT IF DEFECTIVE)

      This kit will help you achieve the solid ignition timing you need. The kit comes with new advance weights, springs to set the rate of advance and new bushings. This is designed for the street fire HEI and stock style HEI distributors.

      Product Features:

      • Fits Street-Fire HEI
      • Fits Stock Style HEI Distributors
      • Not for MSD Billet and Pro-Billet Distributors

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