An item used to adapt the stem of a tester, cylinder compression to various size automotive spark plug ports. It may be a threaded type to fit a designated spark plug port or a universal type designed to accommodate a range of sizes. It may be fastened to the tester stem by means of a quick change or threaded connector.
NSN 6240-01-170-3491
NSN 5990-00-594-7291
NSN 6320-01-335-8336
NSN 6650-00-519-0973
NSN 6105-00-686-5995
NSN 5965-01-354-2029
NSN 6610-00-500-6944
NSN 6645-00-470-5310
NSN 5960-00-919-9383
NSN 5925-01-650-7666
NSN 5855-00-149-0766
NSN 6130-01-299-9894