This spacer ring is used in the marinisation process of the Isuzu 4JB1 engine. The ring links the Isuzu 4JB1 to a Koysan marine gearbox. It fits...
Base was a scond hand Isuzu 4JB1 truck engine (83 hp @ 3400 rpm) which we marinised with our Marinisation Kit "Nicki". We fitted also a...