Oil Catch Tank 1000cc 1L 9mm Greddy 13500601 Returning blow-by gas directly into an engine decreases burning efficiency and shortens the life of engine oil. Function disorders of intake components can be caused by oil and moisture included in blow-by gas sticking to throttles and plugs. GReddy Oil Catch Tanks collect the oil, moisture and blow-by gas to keep intake components clean. Not only the combustion efficiency is reduced or the engine oil and the blow-by gas is returned directly to the engine or to deteriorate , air flow sensor and compression sensors water and oil are on the intake side in the blow-by gas , Plenum and a throttle valve , you may not be able to function properly and adhere to , such as spark plug and piston head . By checking the amount and condition of accumulated oil in the tank on a regular basis , it is also possible to know the condition of the engine . Oil catch tank , circuit is, of course, street driving essentials. GReddy oil catch tank 1000 of capacity 1L, I am a lineup of two types of GReddy oil catch tank short to fit in a small space. Car Model: Compact SL 9mm Car Make: Oil Catch Tank Notes: Compact Super-light 1000cc, Aluminum, vertical only includes 9mm hoses, red fittings hose clamps and plug for more details, please see our (Blog post) Part #: 13500601 * Note Picture is use for illustration purposes only. It may not be of the actual product.