Providing access to deep-seated spark plug holes on 2004-2007 Ford 4.6L and 5.4L 3-valve Triton V-8 engines, this compression tester adapter utilizes a 14 mm thread. It includes an easy-to-turn design for fast thread starting and connects to OTC or other 14 mm compression testers. This tool allows technicians to perform cylinder pressure checks on specialized engine configurations where standard hoses cannot reach.

Providing access to deep-seated spark plug holes on 2004-2007 Ford 4.6L and 5.4L 3-valve Triton V-8 engines, this compression tester adapter utilizes a 14 mm thread. It includes an easy-to-turn design for fast thread starting and connects to OTC or other 14 mm compression testers. This tool allows technicians to perform cylinder pressure checks on specialized engine configurations where standard hoses cannot reach.