Last major parts purchase. $500 of OEM Mitsubishi parts.
Cylinder head before porting and after.
Mostly just removing material in the four corners where the valve is close to the edge of the combustion chamber. Enlarged the combustion chamber to match the larger 2.4 bore size.
Intake port before and after porting.
Slightly enlarged down at the valve.
Exhaust port before and after porting.
