Aeroflow Press Fit Rocker Cover Fitting - AF708-10-01 Nissan Skyline R33 and a blow-off sound that

and a blow-off sound that is COMPLETELY ADJUSTABLE from factory-silent to ear shattering

1/8" NPT Male to AN Male

3kg/cm2 high pressure radiator cap is a direct fit for all Nissans and raises the pressure in the coolant system to 1

GFBs DV+ solves this problem by replacing the valve parts with an anodised billet aluminium housing

Aeroflow Press Fit Rocker Cover Fitting - AF708-10-01 Nissan Skyline R33 and a blow-off sound thatPress In Nissan Breather Adapter. The Rocker Cover Breather adapter is a press in 10AN adapter that suits Nissan RB20, RB25, RB26, CA18 and SR20 valve covers to replace the standard breather adapter. Can also fit other makes & models.