SOLID BILLET ALUMINIUM FULLY CNC MACHINED BILLET OIL CAP TO SUIT NISSAN SKYLINE GTR R34
 
THESE ARE BILLET OVER CAPS AND SO FIT OVER THE OEM OIL CAP - THIS PREVENTS SEIZING UNDER HEAT FROM THE ENGINE WHICH CAN OFTEN OCCUR WITH COMPLETE BILLET REPLACEMENT OIL CAPS.
 
PLEASE REFER TO THE IMAGES CAREFULLY - THE CAP WILL ONLY FIT ONTO THE OEM OIL CAP SHOWED IN THE IMAGES. PLEASE ALSO REFER TO THE ENGINEERING DRAWING FOR SIZES IF UNSURE.