We make OEM based and modified cylinders and Cylinder Head for Various Brands of Motorcycles.  Nickel Silicon Carbide/ Aluminum Alloy/Ceramic Coating Cylinder. Aviailable for two or four-stroke engines (50~300CC).Cygnus 125 MOTOCYCLE Cylinder Head, FOR YAMAHA CYGNUS 125CC CYLINDER. GY6 125 Racing MOTOCYCLE Cylinder Head, FOR KYMCO GY6 50CC CYLINDER AND OVERSIZE FOR RACING KIT. GY6 50 MOTOCYCLE Cylinder Head. FOR KYMCO GY6 50CC CYLINDER AND OVERSIZE FOR RACING KIT. YAMAHA TMX-530. YAMAHA YZF-R25. YAMAHA X-MAX 250. HONDA CBR300.  KYMCO DINK300. KYMCO NIKITA300. SYM RV300. PIAAGIO X8-300 KAWASAKI NINJA250. SUZUKI SKYWAVE 250.