Fully adjustable vacuum advance cannister for GM HEI distributors Pontiac Heavy Duty

Heavy Duty

The system uses the factory hanger locations and the mandrel-bent tailpipes are finished off with a pair of highly polished 304 stainless steel 4

The UMI heavy duty tunnel brace reinforces the tunnel area and reduces chassis flex by replacing the weak factory stamped steel brace

Set the camshaft endplay on your Chrysler HEMI with our

or for longer then 60 seconds maximum at any one time

Fully adjustable vacuum advance cannister for GM HEI distributors Pontiac Heavy DutyThis 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.