8Pcs Engine Pistons With Rings Pins Kit STD Φ89mm 11257556955 Compatible With Automotive Motorcycle Parts M5 M6 X5 X6 M E70 F10 S63B44 S63B44TU 4.4L V8 Turbo Engines For Part Number 11257556955

8Pcs Engine Pistons with Rings and Pins Kit STD Φ89mm 11257556955 for S63B44 S63B44TU 4.4L V8 Twin Turbo Engines This piston kit is designed for 4.4L V8 twin turbo engines with model designations S63B44 and S63B44TU.The set includes 8 pistons, rings, and wrist pins, intended for engines with standard specifications. Specifications: - Standard size (STD), no cylinder bore expansion required - Cylinder bore diameter: Φ89.00mm - Wrist pin diameter: Φ22mm - Wrist pin length: 64mm - Ring thickness: 1st ring 1.5mm, 2nd ring 1.5mm, 3rd ring 2.0mm Compatible with vehicle models equipped with the S63B44 and S63B44TU 4.395L V8 twin turbo engines produced between 2008 and 2019. part numbers: 11257598207 11257556955 11257574822 Replacement part numbers: 11257593475 11257574823 11258607933 11258092931 11258747752 Package includes: - Pistons with rings and wrist pins – 8 pieces Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.

• Compatible with select models including M5 M6 X5 X6 M E70 F10 equipped with S63B44 and S63B44TU 4.4L V8 turbo engines
• Standard size design with Φ89mm diameter ensures accurate fitment and cylinder sealing
• Direct replacement solution ideal for -performance engine repairs and restorations
• Complete set simplifies installation and supports efficient restoration of engine compression and power output