1material:high speed steel 2.quality:1year waranty 4.The horse for Japanese 178 f. 186 F. 186FA air-filled type diesel engine The company specializes in export oil pump glib accessories, such as: nozzles, piston, the oil pump valve, injector, head, oil pump assembly, oil pumps, repair kit, etc. Various kinds of high pressure pump parts. Brands include: Germany BOSCH, Japan ZEXEL, Japan DENSO, the ...