Description
This Mahle MS BMW S65 B40 piston set is engineered for high-performance 4.0L engines, offering precision and durability. Featuring a piston diameter of 92.50mm and a compression height of 27.3mm, these pistons are designed to optimize power output and efficiency. The set includes eight pistons, each weighing approximately 13 ounces, making it suitable for demanding automotive applications.
The pistons are coated with phosphate and Ferroprint on aluminum bores, providing enhanced wear resistance and thermal stability. The hard anodized top ring groove further improves sealing and longevity, ensuring consistent performance under high-stress conditions. These pistons are crafted from high-quality materials compatible with BMW S65 engines, known for their robust construction and reliable operation.
With a swept volume of 12.2cc, these pistons are ideal for performance upgrades or rebuilding existing engines, delivering a balance of power and durability. Please note that these pistons are not CARB-approved and require acknowledgment of this status before installation. They are not subject to air freight restrictions, making shipping straightforward for qualified distributors. Designed for aftermarket use, these pistons are essential components for enthusiasts seeking to enhance their BMW S65 engine’s performance and reliability.
Features:
- Piston diameter: 92.50mm for precise fitment in BMW S65 4.0L engines
- Compression height: 27.3mm optimized for high-performance applications
- Capacity: 12.2cc for increased power and efficiency
- Coatings: Phosphate and Ferroprint on aluminum bores for wear resistance
- Top ring groove: Hard anodized for improved sealing and longevity
- Weight: Approximately 372 grams per piston for balanced operation
- Material: High-quality aluminum alloy designed for durability
- Part number: 197843642 for easy identification and compatibility
- Application: Suitable for BMW S65 engines, ideal for performance rebuilding
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