Motorcycle 94mm Air Cylinder Block compatible with DR Z400 E S SM LTZ400 LT Z 400 K3 L2 and KLX400 KLX 400 models. Designed for installation as a replacement part, this cylinder block is engineered to fit specified motorcycle variants. The component is constructed to maintain functional performance within the engine system. This product is a third-party alternative. Brand/model references are included only to assist with compatibility identification.