This compression tester kit comes complete with a large, easy to read 2 1/2in. dial face with accurate Bourdon tube meter movement.
Dual calibrated and colour coded scales read 0-300PSI or 0-2100 k.Pa. and side release valve.
Dual 14/18mm adaptozr is fitted to the hose for quick and easy testing of most modern engines
Additional 10, 12, 14mm long reach adaptors are included
For petrol engines only