Description
12mm & 16mm Compression Test Adapter AM-5608
Two tools in one with threads for both head styles!
Works on Ford 4.6¸ 5.4 and 6.8 liter 3-valve engines with 12mm SP-509 / HJFS-24-FP and 16mm SP-515 PHZ-14F spark plugs. Use with compression testers to access hard-to-reach spark plug holes. Also used to put compressed air in cylinders. The other end is a 14mm-1.25 female thread.
This is a high-quality aftermarket product.