Description
The Mahle MS Piston Set EJ20/207 is engineered for high-performance Subaru 2.2L engines, featuring a bore diameter of 92.50mm and a stroke length of 79.0mm. This set includes four pistons, each weighing approximately 0.8 pounds, designed to provide optimal combustion efficiency and durability. The pistons are coated with phosphate and Grafal to enhance corrosion resistance and wear durability, ensuring long-lasting performance under demanding conditions. The pin diameter measures 23mm, facilitating secure fitment within the engine’s connecting rods, while the overall design supports a compression ratio of 8.2 to optimize power output and fuel efficiency. The pistons are engineered with a -16.0cc displacement to improve engine response and performance in specific applications. Manufactured by Mahle, a trusted name in automotive components, these pistons are suitable for rebuilds or performance upgrades, guaranteeing compatibility with Subaru EJ20/207 engines.
Features:
- Bore diameter: 92.50mm for precise fitment in Subaru 2.2L engines
- Stroke length: 79.0mm for optimal engine balance and performance
- Connecting rod length: 130.4mm for reliable motion transfer
- Pin diameter: 23mm for secure attachment to connecting rods
- Displacement: -16.0cc to enhance engine responsiveness
- Coatings: Phosphate and Grafal for corrosion and wear resistance
- Weight: Approximately 0.8 pounds per piston for balanced operation
- Compression ratio: 8.2 for efficient combustion and power output
- Part Number: 929847842 by Mahle, a renowned automotive component manufacturer











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