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TracTuff M28 to -16 AN Adapter


Originally offered as a direct screw in port adapter for the J Series cylinder head water outlets but becoming a useful connection for anything that has an M28 x 1.50 thread and seals via crush washer. Recently use on the back of the B Series blocks for crankcase ventilation and to feed coolant into H Series cylinder heads for those running dry deck blocks!

NOTE: Requires the use of the Honda crush washer (90401-PR4-000).