Piston Ring

This high-quality replacement piston ring (SKU: ST0038) is precision-engineered to suit Stihl 066 and MS660 chainsaws, featuring a 54mm diameter for a perfect fit. Manufactured to OEM specification 1122 034 2005, it ensures reliable compression and optimal engine performance. Durable construction provides long-lasting service in demanding Australian conditions, making it an ideal choice for professional and DIY users alike.

• Precision-machined to OEM specifications for exact compatibility with Stihl 066 and MS660 models.
• Durable alloy construction resists wear and heat for extended service life.
• Easy to install as a direct replacement part, restoring compression and engine power.

• Stihl 066
• Stihl MS660
• Stihl 066 Magnum

Piston Rings – Essential engine components for chainsaw and outdoor power equipment, designed for reliable compression and performance.