Crankshaft main bearing set — Race Series (Extra Clearance). Supports the crankshaft in the block and carries the main load of every combustion event.
Application: Acura B17A1/B18A1/B18B1 / B18C1/B18C5 VTEC / Honda K20A3/K20A2/K24A High Performa.
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: 5M1959HX-STD
Genuine ACL, supplied in New Zealand by Drift Spec. Not in stock? It can still be ordered — we bring it in.