Adjustable Vacuum Advance for GM HEI Distributors

Fully adjustable vacuum advance cannister for GM HEI distributors

PART# 31035

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$24.90   Holleydays Price
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This unit permits a seamless wide range of adjustment to both amount and rate of ignition advance. This unit helps increase horsepower and throttle response. It provides maximum spark advance while preventing detonation or "pinging". This kit includes an allen wrench for easy adjustment along with instructions.


  • Adjustable Vacuum Advance
  • Increases Horsepower And Throttle Response
  • Includes Allen Wrench For Adjustments


Emission Code1
Product TypeDistributors and Components
WarrantyLimited 90 Day Warranty
Part Number31035


This part is legal for use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board Executive Order number or is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
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        *Free Shipping & Handling only offered to the contiguous US on orders over $100.

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

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