Vacuum Advance Mechanism

For use with Pro Billet and Ready to Run Distributors w/Vacuum Advance. Does not fit PN 8365/83653 and PN 8362/83623.

PART# 8463

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This is the replacement canister for MSD distributors equipped with vacuum advance (except the PN 8365/83653 and PN 8362/83623 HEI Distributors.)


Emission Code1
Product TypeDistributors and Components
Part Number8463


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.