Saw Spezi Piston Ring — 47 mm x 1.2 mm (compatible with STIHL MS 341 and MS 361) Key benefits Restores engine compression to recover lost power and improve starting reliability. Ensures a precise seal between piston and cylinder for steady cutting performance under load. Durable metal-alloy construction designed for routine rebuilds and maintenance, helping reduce downtime. What it does Function: Seals the combustion chamber and maintains engine compression so the piston operates smoothly and efficiently. Performance impact: Supports dependable starting, consistent cutting power, and stable operation during demanding jobs. Compatibility and fit Direct replacement for STIHL MS 341 and MS 361 cylinders. Size: bore 47 mm; ring thickness 1.2 mm — engineered to provide a precise seal with correct fitment. Material and quality Constructed from a metal alloy suitable for piston ring applications to withstand typical wear and thermal stresses in two-stroke saw engines. When to use it Rebuilds: Replace during a piston or cylinder rebuild on MS 341 or MS 361 to restore original compression and performance. Scheduled maintenance: Swap a worn ring during routine service to reduce power loss and improve fuel efficiency. Field service: Carry as a critical spare during high-demand seasons to minimize downtime and keep cutting tasks on schedule. Why choose this ring Matches OEM dimensions for proper fit in MS 341 and MS 361 engines. Focused on restoring function and reliability without unnecessary extras. Specifications Model compatibility: STIHL MS 341, MS 361 Bore: 47 mm Thickness: 1.2 mm Material: metal alloy Function: combustion chamber sealing / compression maintenance Notes Intended as a direct replacement part; install according to engine service procedures and torque specifications.