System Specifications

Cylinder bore diameter 104.384-104.402 mm (4.1096-4.1103 inch)
Cylinder bore maximum taper 0.076 mm (0.003 inch)
Cylinder bore maximum out-of-round 0.0508 mm (0.002 inch)
Main bearing bore inside diameter 84.206-84.231 mm (3.3152-3.3162 inch)
Head gasket surface flatness 0.025 mm (0.001 inch) any 2 in 0.004 in overall
Head gasket surface finish 63-125 RMS
Connecting rod bearing bore diameter 68.339-68.364 mm (2.6905-2.6915 inch)
Connecting rod bearing-to-crankshaft clearance 0.038-0.114 mm (0.0015-0.0045 inch)
Piston diameter - standard 104.26065 mm (4.0475 inch)
Piston diameter - 0.250 mm (0.010 inch) oversize 104.51465 mm (4.11475 inch)
Piston diameter - 0.500 mm (0.020 inch) oversize 104.76865 mm (4.12475 inch)
Piston diameter - 0.750 mm (0.030 inch) oversize 105.02265 mm (4.13475 inch)

For torque specifications, refer to the service procedure.