Engine Parts Pistons Rings Kit compatible with N63B44 4.4L V8 engine models
Designed for use in M5 M6 X5 X6 M E70 F10 F12 vehicles requiring piston ring replacement
Features engineered rings with Φ89mm diameter for accurate fitment and performance
Includes complete set of components to service engine cylinders during rebuild or maintenance procedures
Matches OEM specifications with part numbers 11257556955 and 11257574822 for correct compatibility
Description
Engine Parts Pistons Rings Kit Φ89mm Fit 4.4 L V8 GAS N63B44 For M5 M6 X5 X6 M E70 F10 F12 4.4L 11257556955 11257574822 Piston rings kit designed for 89mm bore engines.Compatible with 4.4L V8 N63B44 engine models.Includes components required for piston ring replacement.Fits specific engine configurations used in certain vehicle platforms.Part numbers 11257556955 and 11257574822.Intended for use during engine repair or rebuild procedures.