Piston Ring Set

This high-quality Piston Ring Set (SKU ST0650) is a direct replacement for your STIHL FS-120 trimmer, featuring a 56mm bore for a precise fit. Manufactured to OEM specification STIHL 4224 020 1202, this set ensures optimal compression and reliable engine performance. Durable and easy to install, it’s the ideal choice for restoring power and efficiency to your outdoor power equipment.

• Precision-engineered to match original STIHL specifications for a perfect seal and long service life.
• Compatible with STIHL FS-120 models, providing a hassle-free replacement for worn rings.
• Constructed from durable materials to withstand high temperatures and reduce wear.

• STIHL FS-120 Trimmer
• STIHL FS-120 R Trimmer
• STIHL FS-120 A Trimmer

Engine & Piston Components – Replacement piston ring sets for 2-stroke engines.