For 2004 and newer Ford 4.6 and 5.4 L, 3 valve Triton V-8 engines. Connect Tester: Connect the compression tester to the adapter. Attach Adapter: Screw the adapter onto the compression tester’s hose.

For Ford Triton 4.6L & 5.4L V8 3-Valve Engines Compression Test Adapter 14mm | Fits 2004-Up Models. For 2004 and newer Ford 4.6 and 5.4 L, 3 valve Triton V-8 engines. Use with Compression Testers with 14mm Thread.