Fully adjustable vacuum advance cannister for GM HEI distributors Pontiac or for longer then 60

or for longer then 60 seconds maximum at any one time

They feature premium organic materials with high copper content for better heat transfer and steel-backed lining for greater burst strength and durability

10W50 Motor Oil

Note: Does not fit GM TH4L60E (electronic) transmissions

Fully adjustable vacuum advance cannister for GM HEI distributors Pontiac or for longer then 60This 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.