CP7827 Compression tester kit

This professional compression tester kit detects worn rings, burnt valves and blown head gaskets. Push-button side release valve is included which allows repeated testing without disconnecting. Quick release hose disconnects from gauge for faster, easier use. Full 2-1/2” easy-to-read face. Standard and metric scales: 0-300 lbs psi / 0-2100 KPa; 17” high pressure flexible oil-and grease-resistance hose; 14mm and 18mm ends fit most spark plug openings; 14mm long reach adapter included. Required for many late model vehicles