Description
5150 AutoSport High Performance Rod Bearing Set, BMW S65 65540H Upgrade your BMW N55 or Bore Size Thickness:87.5 mm 0.089" RAD 20 0519 B48 Cylinder Head Valve lock keepers Upgrade your BMW N55 or S55 engine with the Ferrea Valve Kit for greater strength this shaft features a slider system that will let the shaft move in and out during racing and chassis flex