System Specifications

DIMENSIONS
Main Bearing Inside Diameter(a)
Standard 84.206-84.231 mm (3.3152-3.3162 inch)
0.010 Oversize 84.206-84.231 mm (3.3152-3.3162 inch
0.020 Oversize 84.206-84.231 mm (3.3152-3.3162 inch
0.030 Oversize 84.206-84.231 mm (3.3152-3.3162 inch
Head Gasket Surface Flatness
Standard 0.003 inch in any 6 inches, 0.006 inch overall
0.010 Oversize 0.003 inch in any 6 inches, 0.006 inch overall
0.020 Oversize 0.003 inch in any 6 inches, 0.006 inch overall
0.030 Oversize 0.003 inch in any 6 inches, 0.006 inch overall
Head Gasket Surface Finish
Standard RMS 63-125
0.010 Oversize RMS 63-125
0.020 Oversize RMS 63-125
0.030 Oversize RMS 63-125
Bore Size
Standard 104.384-104.402 mm (4.1096-4.1103 inch)
0.010 Oversize 104.502 mm (4.11425 inch)
0.020 Oversize 104.756 mm (4.12425 inch)
0.030 Oversize 105.010 mm (4.13425 inch)
Cylinder Bore
Maximum Out Of Round 0.013 mm (0.0005 inch)
Maximum Taper 0.013 mm (0.0005 inch)
Surface Finish RMS 15-30

(a) With bearing caps tightened in place