Length and width: 240mm*140mm/9.44"*5.51".Mounting hole diameter:8mm/0.31".Hose interface:10mm/0.39". motorcycle Oil Cooler System Kit.Replacement for GY6 150cc 200cc 250cc 260cc 400cc engine. Quickly cooling engine oil,reduce engine wear and increase power. Cooling engine temperature,keeps the engine in the normal working temperature range,reduces engine load and prolongs its service life.
