ACL VW/Audi 1781cc/1984cc 0.25 Oversized High Performance Main Bearing Set - CT-1 Coated - 5M1644HC-.25

This Main Bearing Set include 6 bearings with oil grooves and 4 without. The #4 journal will receive the oil groove on both sides of the journal, the rest have a grooved bearing on the block side only. See shell diagrams showing #4