"Fitment: For Predator 212cc Engines Go Kart Mini Bike. Package Includes: 1*Connecting Rod(3.328""+.020)With Bearings. The billet connecting rod connects the piston and crankshaft to make the engine run more smoothly. Installation precautions: tighten the bolt three times, do not over-tighten at one time, to avoid loosening the bolt. Normally, the Rod bolt torque can be more than 150 inches/lbs."