CYLINDER WORKS CYLINDER STANDARD BORE 90MM KAWASAKI KFX400 KLX400 KLX400R SUZUKI DRZ400 LT Z400Replacement Cylinder Barrel from Cylinder Works Why waste your money on plating an old cylinder barrel or investing in an expensive genuine replacement? Both options can delay your repairs, causing you to miss out on those great upcoming rides. Solve these problems by installing a new cylinder barrel from Cylinder Works USA. Cylinder Works barrels are manufactured to exceed genuine specifications and are finished with a quality Nikasil hard plated