C/K, G/P, 6.5L DIESEL. 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. TypeJ-29872-A Injection Pump Adjusting Wrench.
For Diesel Engines, 6.2L 6.5L Diesel Injection Pump Adjusting Wrench J-29872-A
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