Proform 67022C Distributor Vacuum Advance Lockout
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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.
Distributor Vacuum Advance Lockout
Please review Specifications and the detailed fitment table for notes and exceptions.