Product Description 1. Application: Fits for C/K, G/P, 6.5L diesel. The J-29872 Injection Pump Adjustment Wrench is required to adjust timing on the injection pump on the 6.5L diesel 2. Function: Used to adjust timing on the injection pump on 6.5L diesel engines. 3. Superior Material: Made of superior-quality steel with high precision laser cut construction, strong, corrosion resistant and durable in use. 4. Nice Design: The J-29872-A Wrench is a 1/2" drive and has two locator pins that engage into the injection pump hub so it may be rotated for timing. .
