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JEGS Adjustable Vacuum Advance for HEI


JEGS Performance Products
JEGS Adjustable Vacuum Advance for HEI

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JEGS Adjustable Vacuum Advance for HEI replaces the OE non-adjustable unit. Allows you to change the amount of ignition vacuum advance for maximum performance while preventing detonation. Improves fuel economy, throttle response, horsepower, and performance. Includes 3/32" Allen wrench and easy-to-follow instructions.


1 Product

555-40003
Adjustable Vacuum Advance
  • For GM V8 HEI
  • $20.99
    Ships

    1 Product