ITEM NAME:Intake & Exhaust Valves Spring Kit for 110cc Go Cart 4 Wheeler Trail Bike Description: Metal Intake and Exhaust Valvesï ¼Å’Springs Kit. Suitable for 110cc horizontal engine. Fit for 110cc ATV, Dirt Bike, Go Kart,Go-karts, Go Cart, Go-Kart, 4 Wheeler, Quad Bikes, Dune Buggy, 4-wheel, Pit Bike, Trail Bike. Include: within or without spring, intake valve, exhaust valve, valve seat, valve oil seal and valve split collets. Inlet valve diameter: 28 mm, length: 66 mm. Stem diameter: 5 mm. Exhaust valve diameter: 20 mm, length: 65 mm. Package Includes: 1 Set Intake and Exhaust Valves and Springs.Suitable for 110cc horizontal engine. 1 Set Intake and Exhaust Valves and Springs. Include: within or without spring, intake valve, exhaust valve, valve seat, valve oil seal and valve split collets.