A must have for circle track racers! Simply remove the vacuum canister from your HEI distributor, and replace it with this vacuum lockout. The lockout has a pin that holds the vacuum advance portion of the star wheel in place. Note: Not compatible with PROFORM Ford HEI Distributors.

Features:
Replaces Vacuum Advance Chamber
  • Made from High-Quality Plastic Material
  • Fits 1996 and Earlier GM HEI Distributors with a Clockwise Rotation
  • Features a Black Finish
  • PROFORM Parts Brand Product
  • Sold Individually
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