Description This high-quality Decompression Valve - Long Type (SKU: ST0657) is a direct replacement part designed to relieve cylinder pressure during engine startup, reducing pull-start effort and extending starter rope life. Manufactured to match OEM Stihl 4223 020 9400 specifications, it ensures reliable sealing and smooth operation for demanding cut-off saws. A durable, long-type valve that provides consistent performance in tough Australian job site conditions. Features Precision-engineered to OEM Stihl 4223 020 9400 standards for exact fit and reliable function. Long-type design provides easy access and simple installation on compatible models. Constructed from robust materials to withstand high heat and vibration in professional use. Specifications SKU ST0657 OEM Stihl 4223 020 9400 Type Long Type Fits Stihl TS700 Cut-off Saw Stihl TS800 Cut-off Saw Stihl TS400 Cut-off Saw Product Line Engine Components – Decompression valves for Stihl cut-off saws, ensuring easy starting and long engine life.