Fully adjustable vacuum advance cannister for GM HEI distributors Pontiac Note: Does not fit GM

Note: Does not fit GM TH4L60E (electronic) transmissions

50-inch stainless steel mandrel-bent tailpipes

or for longer then 60 seconds maximum at any one time

Robust frame braces add chassis rigidity for predictable handling under load

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

Fully adjustable vacuum advance cannister for GM HEI distributors Pontiac Note: Does not fit GMThis 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.