HEI Vacuum Advance Stop Plate

The Kit is supplied with Vacuum Advance Limiter, Blue Bushing and mounting screws.

PART# 84281

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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.


  • Fits Street-Fire HEI
  • Fits MSD HEI Distributors


Distributor TypeAccessories
Emission Code5
Product TypeDistributors and Components
Part Number84281


This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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      Some parts are not legal for use in California or other states with similar regulations.

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