DieselSite Injection Pump Line Socket for Chevy/GMC

This tool makes adjusting and tightening the injector lines on the Stanadyne GM injection pump on the 6.5 engines with electronic injection pumps. You can easily reach even the bottom stubborn lines without risk of damage to the lines.

This tool does not work with the 6.2L or 6.5L early model engines with mechanical injection pumps.