HEI Adjustable Vacuum Advance Fits GM Applications

Name: HEI Adjustable Vacuum Advance Fits GM Applications
Brand: PROFORM
SKU: 778-66952C
Price: 20.99 USD
Availability: InStock

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555-40003

Adjustable Vacuum Advance For GM V8 HEI Distributors

^$15³⁹

Fits GM Applications
For Fine-Tuning Your Vacuum Advance
For Optimum Performance

Easily replaces your OE non-adjustable unit. This Proform Adjustable HEI Vacuum Advance allows you to change the amount of ignition vacuum advance for maximum performance while preventing detonation. This helps improve engine performance as well as better fuel economy.

Part TypeDistributor Vacuum Advance

Product LineProform Adjustable HEI Vacuum Advance

BrandPROFORM

Package Height0.7

Package Width5.4

Package Length11.1

Weight0.35 PG

Part CategoryPerformance Parts

Advance Weights IncludedNo

Advance Limit Bushings IncludedNo

QuantitySold individually

Adjustable Vacuum Advance IncludedYes