ABOUT BDX PERFORMANCEBDXP is the leading USA technical expert in the Chinese vehicle off road market. Our engineers and technicians have helped thousands of people in the past twenty years keep their vehicles running. We have a full machine shop where we manufacture performance parts and engines to get maximum performance out of your vehicle.DESCRIPTION Includes 1 master link.Be sure to count your rollers!To see what length of chain you need, count each roller barrel on your chain. The count should always be an odd number.The DRIVE CHAIN [63+1 LINKS] is designed for various small engines, go-karts, and ATVs. This chain consists of 63 main links plus one master link, providing a total of 64 links for easy installation and adjustment. The drive chain is made for durability and smooth operation, ensuring efficient power transmission from the engine to the wheels. The precise construction reduces wear and tear, extending the lifespan of the chain while maintaining consistent performance. Ideal for use in demanding environments, it offers a balance of strength and flexibility to handle various terrainsGUARANTEED FIT FOR THE FOLLOWING VEHICLES SPECIFICATIONS:#50 Chain 63 Links1x Master Link