What is the mains torque on Isuzu 4jh1?

The main torque specification for the Isuzu 4JH1 engine typically falls around 100 Nm (73.8 lb-ft) for the cylinder head bolts. However, it's essential to consult the specific service manual for your vehicle, as torque specs can vary based on the engine's configuration and application. Always ensure that the bolts are torqued in the correct sequence for optimal performance.