Connecting rod (big end) bearing set — Race Series (Extra Clearance). Sits between the rod and the crank journal, taking the full force of each power stroke.
Application: BMW M20/M50/M52/M54-1919CC 80.0mm Bore 66.0mm Stroke Conrod.
ACL Race Series, extra clearance (HX). The X gives an extra 0.001" (0.025mm) of oil clearance on a standard-size journal. The shell wall is 0.0005" (0.013mm) thinner than the equivalent H-STD set.
Standard size. For a crankshaft that has not been reground and measures to standard journal diameter.
ACL part number: 6B1490HX-STD
Genuine ACL, supplied in New Zealand by Drift Spec. Not in stock? It can still be ordered — we bring it in.