The EMPI dual-purpose Oil Filler & Breather Box includes a system of internal
baffles that separate the oil from the air then returns the oil back to the engine. It
mounts upright on the alternator stand making for easy oil filling and was designed
to look like part of the engine. The Billet Aluminum filler cap seals with an O’ring.
Aluminum construction offers great looks and leak-free operation featuring an O’ring
seal and Button-head Allen top screws. Vent your valve covers, crankcase, air
cleaners…whatever your requirements. Comes with attaching nut, O’rings, gasket
and instructions.