Description
If you’re running a Banshee engine with high-performance aspirations, piston choice directly impacts your horsepower delivery and engine longevity. The WSM Piston Assembly 50-520-665 combines German engineering precision with MOS2 coating technology to handle sustained heat and friction in demanding racing conditions. Purpose-built for WSM Banshee sleeves and available across a full range of bore sizes, this assembly delivers the reliability and performance margin that separates consistent racers from the competition.
- MOS2 coating applied
- Heat absorption optimized
- Ported for WSM sleeves
- Bore range: 64mm–70.5mm
- Long rod pin design
- Pin height: +5mm
- German manufacturing
- MPN: 50-520-665






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