S & G 34020 12Mm & 16Mm Compression Test Adapter For Ford Triton EngineDual threaded male end provides two adapters in one for testing compression at the spark plug ports on Ford Triton Engines Use the 16mm-1.50 male threads on 3 valve Triton engines 2004 through 2008 5.4L Ford F-150 and 2005 4.6L Ford Mustang The 12mm-1.25 male threads are for use beginning with the model year 2009 Triton 4.6L, 5.4L and 6.8L engines Provided with a long reach flexible hose to access recesses and around obstructions Screws onto the 14mm-1.25 male thread at the end of the hose adapter for Cat. Nos. 34000 and 34300 Click Here. Double your traffic. Get Vendio Gallery – Now FREE!