JCB 02/802873 Cylinder Head Bolt Set

This cylinder head bolt set contains 10 high-strength fasteners designed for Isuzu 4LE1 and 4LE2 four-cylinder diesel engines. The bolts feature flanged hex heads and rolled threads manufactured to JCB OEM specification 02/802873. Material grade meets or exceeds 10.9 tensile strength requirements for diesel engine cylinder head clamping loads. Direct replacement for JCB part number 02/802873 used across 8055ZTS, 8055RTS, 8065ZTS, 8065RTS, 8080, and 8085 mini excavator models. Each bolt undergoes dimensional inspection for thread pitch accuracy, shank diameter consistency, and overall length compliance. Installation requires torque-to-yield procedure per Isuzu service manual specifications. Set packaging ensures thread protection during transit and storage.