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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.
Specifications:
| Feature/Benefit | Replaces Vacuum Advance canister. |
| Make | GM |
| Voltage | 50,000 Volts |
| Applications | GM Applications Pre to 1996 |
| Category | Distributors |
| Description_ABR | Adv. Lockout |
| Description_SHO | Vac. Adv. Lockout |
| Description_INV | Vacuum Advance Lockout for GM HEI Dist. |
| Description_DEF | Distributor Vacuum Advance Lock-Out |
| Description_ASC | Distributor Vacuum Advance Lockout |
| Description_ASC | For GM HEI Dist. |
| Description_ASC | Replaces Vac. Adv. Chamber |
| Description_LAB | Distributor Vacuum Advance Lockout |
| Description_LAB | For GM HEI Dist. |
| Description_LAB | Replaces Vac. Adv. Chamber |
| Description_DES | Distributor Vacuum Advance Lockout |
| Description_DES | For GM HEI Dist. |
| Description_DES | Replaces Vac. Adv. Chamber |
| Description_EXT | Distributor Vacuum Advance Lockout |
| Description_EXT | Fits 1996 and Earlier GM HEI Distributors With A Clockwise Rotation |
| Description_EXT | Replaces Vacuum Advance Chamber |
| Description_EXT | Made From High-Quality Plastic Material |
| Description_EXT | Features A Black Finish |
| Description_EXT | Sold Each |
| Description_MKT | 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. |