Use with OTC compression testers (or other compression testers with a 14mm thread) to access hard to reach spark plug holes. Features and Benefits

• Works on 2004 and newer Ford 4.6 and 5.4L, 3 valve Triton TM V-8 engines
• Easy-to-turn feature makes starting thread fast Triton is a Registered Trade Mark of the Ford Motor Co. Compression Tester Ford Adapter -Patent pending.