King's MB5801SM is a 5-pair (10-piece) OE-replacement crankshaft main bearing set made from a lead-free bi-metal aluminum alloy strengthened with manganese and chromium for durability under high loads. It is precision-manufactured to factory tolerances (2.495mm thickness, 70.00mm housing bore) and is available in Standard, +0.25mm, and +0.50mm undersizes to match a reconditioned crankshaft.

Fitment: BMW 5, 6 and 7 Series, X5 and X6 models (chassis F10, F12, F01, E70, F15) fitted with the N63, N63TU or S63 twin-turbo V8 engine.