M20 ACL Race Main Bearing Set

The ACL Race Series crankshaft main bearing set for the BMW M20.

• Set of 14 bearings
• Early models (1987 and earlier): standard size only
• Late models (1988 and later): standard or 0.25 mm undersize
• Fits all BMW M20 engines

Not sure whether your M20 block is early or late? Our M20 Bearing Differences guide is coming soon and explains the differences and how to identify your block before you order.

From completely stock engines to high-horsepower monsters, we use ACL Race Series bearings across the full range of M20 engines we build in-house.