This oil catch tank is placed between breezer pipes to prevent oil from splashing. Regular fit required for racing. [Product Details] Size: 4.9 x 2.4 x 1.6 inches (124 x 60 x 40 mm); Capacity: 8.8 fl oz (250 cc); Outlet Opening: 0.5 inches (12 mm); Made of aluminum. *Please prepare hoses separately.