Replacement piston and ring set compatible with OEM part numbers 11257613626, 11257574823, 11257556955, and 11257617547 for accurate fitment.Designed for 550i, 750i, and X5 models with chassis codes F01, F02, F03, E70, and E71 equipped with N63 4.4L V8 engines.Complete 8-piece set suitable for engine rebuilds and performance restoration.Engineered to maintain proper compression and support smooth engine.Appropriate for standard repairs and performance engine applications.
وصف
This 8-piece piston and ring set is compatible with vehicles equipped with the N63B44 4.4L (4395cc) V8 Twin Turbo engine.Specifications include: compression height of 32.1mm, piston length of 52.6mm, wrist pin length of 60mm, wrist pin diameter of 22mm, cylinder bore diameter of 89mm, and an engine compression ratio of 11:1.Package includes one set of pistons and rings.