MAHLE 930188548 High Performance Forged Piston - 82.5mm Bore, 9.5:1 Compression

The MAHLE 930188548 is a precision-engineered forged piston designed for high-performance engine builds requiring exacting specifications and durability. This piston features MAHLE's proven M142P alloy construction, providing exceptional strength and thermal stability under demanding conditions.

Key Specifications:

• Bore Diameter: 82.50mm for precise cylinder fitment
• Compression Height: 29.6mm for optimal deck clearance
• Stroke Compatibility: 92.8mm stroke applications
• Connecting Rod Length: 144mm for proper geometry
• Wrist Pin Diameter: 21mm for robust pin retention
• Compression Ratio: 9.5:1 for balanced performance and reliability
• Dome Volume: -7.1cc (dish design)
• Weight: 323 grams for precise balancing
• Alloy: M142P high-silicon aluminum alloy

MAHLE pistons are manufactured to OEM and aftermarket standards, featuring optimized skirt profiles, ring groove geometry, and thermal expansion characteristics. The dished design provides the specified compression ratio while allowing flexibility in combustion chamber configurations. Ideal for engine rebuilds, performance upgrades, and racing applications where precision and reliability are critical.