The OTC 6687 has required tools to adjust and hold cam shaft timing on GM 3.0 and 3.2 V-6 engines. The kit is designed to save shop time when servicing GM 3.0 and 3.2 V-6 engines.

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Product Review

The OTC 6687 has required tools to adjust and hold cam shaft timing on GM 3.0 and 3.2 V-6 engines. The kit is designed to save shop time when servicing GM 3.0 and 3.2 V-6 engines.

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