Part number J-26999-30. Made in the USA by Kent-Moore Tools. Fits 6.2L 6.5L GM Diesel engines.NSN 4910-01-238-2551. 4910-01-238-2551, HMMWV Compression Test Adapter, J-26999-30, 6.2L, 6.5L, GM Diesel, C6D9.
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