8Pcs Engine Pistons with Rings and Wrist Pins Kit Standard Bore 89mm for S63B44 S63B44TU 4.4L V8 Twin Turbo Engines

8Pcs Engine Pistons w/Rings Pins Kit STD Φ89mm 11257556955 For M5 M6 X5 X6 M E70 F10 S63B44 S63B44TU 4.4L V8 Turbo Engines Material: forged aluminum Performance: STD 0.00 specification for engine performance Cylinder Bore: Φ89.00mm for fit and efficiency Piston Design: Wrist Diameter Φ22mm and Wrist Length 64mm Ring Thickness: 1st 1.5mm, 2nd 1.5mm, 3rd 2.0mm for sealing Compatibility: Designed for models with S63B44 and S63B44TU 4.4L V8 Twin Turbo engines This 8-piece engine piston kit includes pistons, rings, and pins for complete cylinder replacement.Constructed from forged aluminum, the pistons support under performance conditions.The STD 0.00 specification maintains engine tolerances, supporting combustion efficiency and the risk of cylinder wall stress.The Φ89.00mm bore size ensures precise fitment for specified engine types.The piston wrist pin diameter of Φ22mm and length of 64mm contribute to structural integrity under load and RPM.Ring package with 1.5mm first, 1.5mm second, and 2.0mm third ring enhances sealing against blow-by and reduces oil consumption.This kit serves as a direct replacement for existing components, designed for straightforward installation without modifications.Suitable for use in select vehicle platforms equipped with the S63B44 or S63B44TU engine variants.

• Includes 8 engine pistons with piston rings and wrist pins for complete cylinder replacement
• Compatible with vehicles equipped with S63B44 and S63B44TU 4.4L V8 twin turbo engines
• Standard bore size of 89mm ensures precise fitment for engine rebuilds
• Direct replacement 11257556955, designed for accurate installation and performance
• Suitable for engine overhauls and restorations requiring internal rotating assembly components