PROX Forged Piston Kit is designed to deliver dependable 4-stroke engine performance with reduced friction and long service life. Built from a specific forged aluminum alloy with low expansion, it helps maintain stable clearances and supports reliable running under demanding conditions. Precision CNC machining ensures accurate dimensions and consistent quality—ideal when you want a strong, confidence-inspiring replacement during an engine refresh.
Whether you are rebuilding a worn top end or restoring crisp throttle response, this forged replica-style piston kit provides a durable solution that supports smooth operation and reliability.
Key features:
✅ Low-expansion forged aluminum alloy helps lower friction and maximize reliability
✅ State-of-the-art CNC machining for precise fit and consistent performance
✅ Steel ring material for durable sealing and wear resistance
Benefits of use:
🔹 Improved reliability thanks to a proven piston alloy used by major Japanese engine manufacturers
🔹 Consistent engine operation through accurate machining and stable running clearances
🔹 Great choice for rebuilds when you want a strong forged piston kit in standard sizing
Technical specifications (if needed):
📌 Brand: PROX
📌 Vendor part number: 01.4351.C
📌 Engine type: 4-Stroke
📌 Piston diameter: 77.98 mm
📌 Piston size: Standard Size C
📌 Compression ratio: 14.1:1
📌 Piston material: Forged aluminum alloy
📌 Ring material: Steel
📌 Units: Kit
📌 Style: Forged Replica
Why choose this product/service?
⭐ Forged construction and low-friction alloy focused on durability and dependable performance
⭐ Precision manufacturing for a high-quality, consistent replacement part
⭐ A practical, rebuild-ready piston kit specification set (size, diameter, compression) for correct matching