Exterior Components› Body Panels and Components

Moroso

Moroso 75-81 GM HEI Adjustable Vacuum Advance Kit

$43.99

SKU: M00R 72315

In Stock
In Stock
Ships by Jul 30
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Moroso adjustable vacuum advance kit is designed for 1975-81 GM HEI distributors. This kit allows you to adjust the amount of ignition vacuum advance for optimal part-throttle performance. It helps prevent detonation and spark knock, while offering improved throttle response and fuel economy under light loads.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandMoroso
Part NumberM00R 72315

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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