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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
Note: Does not fit GM TH4L60E (electronic) transmissions
Heavy Duty
Fully adjustable vacuum advance cannister for GM HEI distributors Pontiac The UMI heavy duty tunnelThis 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.
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