2JZ and big boost means you must have a proper breather setup to handle the excessive crankcase pressures. This oil cap give and easy twist-on solution to add a 10 or 12AN breather port to you valve covers.
CNC'd aluminum and anodized black. This cap will clear factory hood and fit on any OEM or OEM twist-style valve cover like our PHR Billet Valves Covers.
This also pairs well with PHR's cam driven vacuum pump to add another easy way to pull from the motor.