NMW Racing Gen 3 High-Compression Kit (89mm)
Compatibility: 2024+ KTM Duke 390 / RC 390 / Adventure 390 (LC4c Engine)
Product Specifications
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Bore Size: 89mm (Maintains Stock Displacement)
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Piston Construction: Premium Lightweight Forged Alloy
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Compression Profile: +1mm Center Dome Height
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Engine Series: Gen 3 / 399cc Platform
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Performance Focus: Increased Cylinder Pressure & Torque
Short Highlights
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High-Compression: 1mm raised crown for maximum power stroke efficiency.
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Forged Strength: Built to withstand the higher thermal loads of the Gen 3 engine.
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Direct Drop-in: Designed for the 89mm bore; no sleeving or machining required.
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Rev-Happy: Lightweight forged design reduces reciprocating mass for faster RPM pic
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