■ Features: An oil pump for Zongshen Performance Z-1 type 125cc engines. It is sold as aftermarket parts for performance Z-1 type 125cc engines. Gasket replacement is required for disassembly and assembly. ■ Product Contents: Oil pump x 1 ■ Compatible with Zongshen Performance Z-1 model 125cc engine ■ Caution: Requires separate gaskets and oil seals for assembly. We cannot answer any inquiries regarding engines other than our companys release. Instruction manual not included.