Proflow Cylinder Head Oil Drain Fitting Kit, For Nissan RB20/RB25/RB26, Billet Aluminium, Black

Keeps RB head oil where it belongs — in the sump, not the catch can.

• ▸Billet aluminium construction, black anodised for longevity
• ▸O-ring sealed for a reliable, leak-free fitment
• ▸Compact -08AN O-ring port suits tight RB engine bays
• ▸Slotted holes allow angle and position adjustment for gearbox clearance
• ▸Replaces the frost plug to drain oil directly back to sump
• ▸Suits RB20, RB25 and RB26 applications

Cheap breather setups manage the symptom. This fitting addresses the cause — oil pooling in the head under the hard cornering and high-rev conditions that define track and drift use. Billet construction and a proper O-ring seal mean it handles sustained abuse without weeping, and the adjustable fitment means it works across the RB family without compromise.