Adjustable Vacuum Advance for GM HEI Distributors
$54.05
In stock
SKU
31035-Holley
Fully adjustable vacuum advance cannister for GM HEI distributors
Adjustable Vacuum Advance for GM HEI Distributors
This unit permits a seamless wide range of adjustment to both amount and rate of ignition advance. This unit helps increase horsepower and throttle response. It provides maximum spark advance while preventing detonation or "pinging". This kit includes an allen wrench for easy adjustment along with instructions.
This unit permits a seamless wide range of adjustment to both amount and rate of ignition advance. This unit helps increase horsepower and throttle response. It provides maximum spark advance while preventing detonation or "pinging". This kit includes an allen wrench for easy adjustment along with instructions.