1、Part Number: Cylinder kit replace part number is 12100 HN8 A60, cylinder is 12100 HN8 A58, piston are13101 HN8 A60, 13111 HN8 A60, 90602 MBN 668, piston ring set is 13010 HN8 A59 for reference. 2、Applicable Models: Cylinder kit is fit for Big Red MUV700 2009‑2013, please check carefully to make sure it is compatible with your vehicle. 3、High Performance: Cylinder can work reliably under harsh conditions, effectively increase engine displacement and performance! Increase horsepower and torsion! 4、Strong Durability: The cylinder is made of excellent aluminum material, high strength, not easy to deform, long service life and strong impact resistance. 5、Shock Absorption: Upgraded design and professional performance reduce engine vibration, prompting a smoother and safer ride for you.