Expert Quality, allows the compression of petrol engines to be tested whilst running. Large easy-to-read scale measuring 0-290psi/0-20bar with 370mm of flexible hose and push on adaptor incorporating a Schrader one way valve. Side pressure relief valve allows rapid retesting. Display packed in blow mould storage case with sleeve.
- Gauge with flexible hose
- 5 adaptors size: M10, M12, 2 x M14 and M18
- 2 double-ended spark plug thread chasers size: M10/M12 and M14/18
Assorted O rings