US PRO Tools 7pc Diesel Engine Injector Seat Cutter, Cutting Tool Pilot Key 5588 Extendable Ratchet security hex key for removing

security hex key for removing the inner part of the injector and a puller to remove the injector without damaging the cam cover

Flexible hose

All that's required is a 1/2" DR ratchet

7mm Square

US PRO Tools 7pc Diesel Engine Injector Seat Cutter, Cutting Tool Pilot Key 5588 Extendable Ratchet security hex key for removingSet of 5 cutters for re cutting injector seats when reconditioning diesel engines or replacing the injectors. Injectors can be extremely difficult to remove, due to the build up of carbon deposits and the effects of corrosion. Once they have been removed, the injector seat is often in a condition that makes it almost impossible to successfully seat the injector, and there can be a high risk of 'blow by' (leaking of combustion gases from the cylinder,