MED 2 x 1 1/4 SU STUB STACK SYSTEM
( £108.33 EXC VAT )
High quality main bearing sets for 998-based engines, as used in all engine builds here at MED. We stock a wide range of bearings to suit standard size and re-ground crankshafts - see the dropdown menu above.
A-plus main bearings have a location tab in the centre of the bearing, which locates in the main bearing cap. They are plain on the bottom side and have an oil groove in the top bearing.
Pre-A-plus bearings have all location tabs offset to one side. They also have an oil groove on both halves of the bearing top and bottom.
The standard 998 main journal diameter size is 1.750"