Featuring 12 mm and 16 mm (9/16") threads, this compression adapter is designed specifically for testing cylinder pressure on Ford Triton engines. It provides the necessary interface between the engine's spark plug ports and a standard compression tester to facilitate accurate diagnostic readings.

Featuring 12 mm and 16 mm (9/16") threads, this compression adapter is designed specifically for testing cylinder pressure on Ford Triton engines. It provides the necessary interface between the engine's spark plug ports and a standard compression tester to facilitate accurate diagnostic readings.