MSD 8428 GM HEI Weight & Spring Kit

Save $3.44

Sale price$30.93 Regular price$34.37
In stock


This kit will help you achieve the solid ignition timing you need! This is designed for the Street Fire HEI and stock style HEI Distributors. (Not for use with Billet and Pro-Billet MSD Distributors)


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

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