Piston Pin Ring Circlip Kit 35mm Fit For FS120 FS300 BT120C BT121 BT121Z Brush Cutter Engine Replace Part

Replace Fit For FS120 FS300 BT120C BT121 BT121Z engine partsReplace OEM Fit For 4134 030 2011You will receive:1 x Piston, 1 x Pin, 2 x Ring, 2 x CirclipOrigin : Mainland ChinaFeature : 2-Stroke

• Through precision machining and special heat treatment, it ensures stable shape under extreme temperatures and pressures. Excellent elasticity and wear resistance can effectively seal the combustion chamber, prevent oil from rising and gas from leaking, significantly restore engine cylinder pressure, and extend engine life.
• Ensure that the end clearance, side clearance, and back clearance of the piston ring comply with the original factory specifications. Perfect roundness and surface smoothness can quickly break in with the cylinder wall, form an efficient sealing layer, reduce frictional resistance, and improve the smoothness of engine operation.
• The material has excellent wear resistance and corrosion resistance, and can withstand the high temperature and high pressure working environment of lawn mower engines. The optimized structural design ensures a tight fit with the engine body and efficient heat conduction, effectively preventing engine overheating and significantly extending the overall service life of the engine after major repairs.
• Specially designed to repair common faults caused by cylinder wear, including difficulty starting, power loss, blue smoke (burning oil), abnormal oil consumption, and abnormal operating noise. It is a key component that solves the core problem of engine overhaul and revitalizes old lawn mowers.
• Compared to purchasing a brand new engine or returning to the factory for repair, replacing high-quality cylinder liners/blocks by oneself is the most cost-effective option. This product provides reliable manufacturing quality and is an ideal choice for professional garden machinery maintenance technicians and users with hands-on abilities, helping you complete thorough engine repairs with reasonable investment