Fitment: Clutch drum housing gear box is suitable for 47cc 49cc mini pocket quad dirt bike ATV. High Quality Material: Gear box clutch kit is made of high quality metal alloy and ceramic material, offering high strength, sturdiness, and durability. Size: Clutch diameter is approximately 75mm (2.95in), thickness is approximately 17mm (0.67in), and center hole diameter is approximately 15mm (0.59in). Original Standard: Designed to original specifications for direct replacement of old or damaged kits, ensuring stable and reliable performance. Simple Installation: Easy to install with no complicated tools required, providing convenient use and saving time and effort. Item Type: Gear Box Clutch Kit Material: Metal alloy + ceramic Gear Box Ratio: 3:1 Gear Box Teeth: 14T Gear Box Chain Size: T8F chain Distance Between Mounting Holes of Gear Box (center to center): Approximately 70mm (2.76in) Clutch Diameter: Approximately 75mm (2.95in) Clutch Thickness: Approximately 17mm (0.67in) Center Hole Diameter: Approximately 15mm (0.59in) Application: aftermarket replacement parts designed for replacement of original clutch drum housing, providing strong transmission capacity and restoring performance. Fitment: Suitable for 43cc 49cc mini PIT off-road motorcycle, pocket mini four-wheel off-road vehicle, compatible with T8F chain. Package Includes: 1 x Clutch Drum Housing Gear Box 1 x Clutch