LINK TO PRODUCT SPECS AND TECHNICAL INFO
This port is also called the SAEJ2244-1. This port has the identification notch that identifies it as a metric port.
AN818 Port Contour Tool
AND10050 Reamer Pilot Port Tool Carbide Tipped
AND10050-S Port Cutters Carbide Tipped
AS5202 - Port Cutter Tool - Reamer Pilot - also for MS33649
AS5202 - Port Cutter Tool - Solid Pilot - Carbide Tipped - also for MS33649