ACL VW/Audi 1781cc/1984cc Standard Size High Performance Main Bearing SetThis 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 #4This Part Fits: Year Make Model Submodel 1984 1987 Audi 4000 S 1988 1990 Audi 80 Base 1988 Audi 90 Base 1997 2000 Audi A4 Base 1999 2000 Audi A4 Quattro Avant 1997 2000 Audi A4 Quattro Base 2000 2001 Audi TT Base 2002 Audi