- All aluminum construction - 480cc tank capacity - Large size oil catch tank for engine bay with more room - Reduce engine blowby going back to your intake path and back to the engine - Includes breather filter for non-recirculate setup - Includes sight tube for oil level - 2 ports setup. For recirculate setup (1 port IN / 1 port OUT) / For non-recirculation setup (2 ports IN + install breather filter on top of the tank for pressure release) - Kit also include a pair of -8AN outlet (5/8-16UNF thread to -8AN) for customer that wants to use -8AN line for blowby connection