Description
The Mahle MS Piston Set designed for the BMW S55 3.0L engine offers high-performance components engineered for precision and durability. Each piston features a bore diameter of 84mm, ensuring a perfect fit for optimal engine efficiency and power output. The stroke measures 89.6mm, complementing the piston design to enhance combustion and overall engine responsiveness.
Constructed with advanced coatings, including phosphate, Grafal, and a hard-anodized top ring groove, these pistons provide excellent wear resistance and thermal stability. The set includes six pistons with a 144.35mm rod length and 22mm pin diameter, ensuring consistent movement and reducing friction within the engine. With a compression ratio of 10.2:1 and a displacement of -10.5cc, these pistons are designed to deliver reliable performance in demanding conditions.
Manufactured by Mahle, a trusted name in automotive engineering, these pistons are built to meet the rigorous standards of high-performance applications. They are suitable for use in BMW S55 engines and are designed to withstand the stresses of spirited driving and tuning. Please note that these pistons are not CARB-approved and require carb acknowledgment for legal use. The set is shipped free of air freight restrictions and is available for regular stock, making it a reliable choice for engine rebuilds and upgrades.
Features:
- Bore Diameter: 84mm for precise fit and optimal combustion
- Stroke Length: 89.6mm enhances engine power and efficiency
- Connecting Rod Length: 144.35mm for balanced movement
- Pin Diameter: 22mm for secure attachment and durability
- Displacement: -10.5cc for tailored performance tuning
- Compression Ratio: 10.2:1 designed for high performance
- Coatings: Phosphate, Grafal, and hard anodized top ring groove for wear resistance
- Material: High-quality construction suitable for demanding driving conditions
- Part Number: 197879807 by Mahle, engineered for BMW S55 engines
















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