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Cylinder Head - Top/End Views

Fig 1: Cylinder Head - Top/End Views
GM1402168Courtesy of GENERAL MOTORS CORP.
Cylinder Head - Top/End Views

Hole Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth - Maximum mm (in) Tap Depth - Maximum mm (in)
J 42385-
1 M8 x 1.25 210 206 207 208 209 26.5 (1.04) 19.0 (0.784)
2 M6 x 1.0 205 201 202 203 204 20.05 (0.789) 16.05 (0.632)
3 M10 x 1.5 215 211 212 213 214 28.0 (1.10) 20.0 (0.787)
4 M6 x 1.0 205 201 202 203 204 22.5 (0.885) 15.0 (0.688)