Compression Tester 12mm Adapter For 2008 Ford 4.6L 5.4L 6.8L 5608 3-Valve Engines with 12mm Spark Plugs. Replace with OE Number: 5608, OTC5608, OTC5605, OTC5606, OTC5605-DG, OTC5606-DG, OTC5606-DGH. Fit for Ford 4.6L/5.4L/6.8L 3-valve Triton engines from 2008 onward.
