This kit will allow you to limit the amount of vacuum advance that occurs while stop and go driving!

This is designed for the Street Fire HEI and MSD HEI Distributors.

Features:
  • Fits Street-Fire HEI
  • Fits MSD HEI Distributors
  • This kit will allow you to limit the amount of vacuum advance that occurs while stop and go driving!

    This is designed for the Street Fire HEI and MSD HEI Distributors.

    Features:
  • Fits Street-Fire HEI
  • Fits MSD HEI Distributors