714970-22500 86MM Piston & Piston Ring Kit 714980-22720 Compatible with L100 STD Engine 10HP 186FA This piston and piston ring kit is designed for use with L100 STD engines producing 10 horsepower, including the 186FA engine model.The kit includes an 86mm piston and matching piston rings, with part numbers 714970-22500 and 714980-22720.Components are engineered to meet specifications for proper fit and function.The piston is intended for standard bore applications and is compatible with engines requiring these specific part numbers.Installation requires adherence to manufacturer-specified clearances and torque values. This is a non-OEM replacement.Any mention of brand names is strictly for compatibility clarification.