Features: 1.Fit for LIFAN 140cc 150cc Manual Engine PIT PRO PIT Bike Trail Bike Dirt Bike Thumpstar Quad Bike ATV Dune. 2.It is made of high?hardness steel alloy, matched with the original vehicle, and directly replaced and installed to achieve the best performance. 3.Perfect market after-sales replacement of clutch assembly parts, direct replacement or repair of the original vehicle damaged and worn clutch assembly, better clutch performance for your vehicle. 4.It can well replace old parts that are damaged or need to be replaced, and it is easy to install. 5.Engineered to provide the same fit and function of the original one on specific vehicle years, makes and models. Specification: Item Type: Engine Clutch Assembly Material: Steel Alloy Purpose: Direct replacement, maintenance, spare Movement Diameter: Approx. 118.35mm/4.7in Shaft Diameter of Clutch Box: Approx. 21.96mm/0.9in Shaft Diameter (between Top Splines): Approx. 14.02mm/0.6in Shaft Diameter (bottom Spline): Approx. 17.01mm/0.7in Spline Tooth: 6T Fitment: Fit for LIFAN 140cc 150cc Manual Engine PIT PRO PIT Bike Trail Bike Dirt Bike Thumpstar Quad Bike ATV Dune. PackageList: 1 x Engine Clutch Assembly