ITEM DESCRIPTION: 1 Piston (Piston Only) for 125 & 138cc Honda, Lifan & Chinese E22 style horizontal engines w/ 54mm bore & 14mm wrist pin found on various ATV's & Motorcycles.
 
NOTE: This piston is slightly domed w/ valve recesses. This is an OEM Piston, NOT high performance. If your engine uses a flat piston, this is not the correct one for you. 
 
NOTE: This is not for GY6 125cc scooter engines.