JCTR10 Compression Testers

> Includes compression gauge, O-ring, and instructional pamphlet.
> JCTR10 includes:
> Flexible hose and quick-disconnect coupler permit fast, easy engagement of threaded fitting into spark plug hole.
> Gauge has convenient side release valve and dual reading scale for both PSI and metric values (0 to 300 PSI, 0 to 20 kg/cm²).
> Equipped with neoprene “O” rings for positive finger-tight seal.
> Includes adapters for regular 18 mm spark plugs and for regular and long 14 mm spark plugs.