* Comprehensive kit for vehicles with
   M10, M12, M14 and M18 spark plug
   threads on most petrol engined cars
   and light commercials.
   dual scale 63 mm (2-1/2”) dia.
   gauge 0-290 psi & 0-20 bar.
* Kits includes extension,
   2 thread chasers and 5 adaptors.
* Easy to use, checks condition of valves,
   piston rings,gaskets & cylinder heads.
* Pressure relief valve enables repeated
   testing of a cylinder without removing the
   gauge.