Description
Product Overview
Part Name: Engine Piston Kit (Piston with Rings & Wrist Pin)
Part Number: BMW N63B40A / N74B68A Piston Kit
Vehicle Compatibility: BMW and Rolls-Royce vehicles equipped with N63B40A 4.4L V8 twin-turbo and N74B68A 6.6L V12 twin-turbo petrol engines, commonly including BMW 5 Series, 6 Series, 7 Series, X5, X6, and Rolls-Royce Ghost models (2008–2016). Suitable for high-performance engine rebuild and restoration applications.
Configuration: High-quality aftermarket forged engine piston kit manufactured to OEM-equivalent specifications. Supplied with precision piston rings and hardened wrist pin. Engineered for high boost pressure tolerance, superior thermal resistance, and durability under extreme performance conditions.
Function: Converts combustion energy into rotational force via the connecting rod and crankshaft assembly. Designed to maintain optimal compression, enhance strength under turbocharged loads, and ensure balanced high-output engine performance.
Technical Specifications
Type: Forged Engine Piston Kit
Engine Models: BMW N63B40A 4.4L V8 Twin-Turbo / N74B68A 6.6L V12 Twin-Turbo
Material: High-strength forged aluminum alloy piston with precision-machined ring grooves; heat-treated steel wrist pin; high-performance piston rings
Application: Fits BMW N63B40A and N74B68A engine assemblies (2008–2016)
Cross-Reference: Aftermarket equivalent to OEM piston specifications for N63 and N74 engine platforms; compatible with factory connecting rods and crankshaft assemblies (verify bore size and compression ratio before installation)
Installation: Professional engine assembly required. Confirm piston-to-wall clearance, ring end gap, and torque specifications during installation. Replace bearings, seals, and gaskets during overhaul.
Service Interval: Replace during major engine rebuild or when addressing compression loss, piston damage, oil consumption issues, or cylinder wear.
Delivery & Availability
Stock Options: Premium-quality aftermarket BMW N63 and N74 forged piston kits available for retail, wholesale, and export supply
Delivery Time: 3–7 days worldwide shipping
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