Nissan RB26 / 30 Rocker cover breather fitting 12AN

NZKW Australia Nissan RB26 / RB30 Rocker Cover Breather Fitting – 12AN

Improve crankcase ventilation and simplify your breather setup with the NZKW Australia RB26 / RB30 Rocker Cover Breather Fitting, designed for high-performance Nissan engine builds. Engineered for precision fitment, this press-fit breather solution provides a clean, reliable upgrade for turbocharged and performance RB applications without the need for welding.

Perfect for RB26 and RB30 engine combinations, this fitting is designed to sit neatly under most factory bonnet configurations, making it ideal for street, drift, and motorsport builds where space and reliability are critical.

Key Features

• Precision-engineered rocker cover breather fitting for RB26 / RB30 engines
• Press-fit design – no welding required
• Durable 12AN male outlet for high-flow breather systems
• Compatible with push-lock or swivel AN fittings
• Designed for improved crankcase ventilation efficiency
• Clean, low-profile installation suitable for factory bonnet clearance
• Ideal for turbocharged and high-boost applications

Fitment Compatibility

• Nissan RB26 engine platforms
• Nissan RB30 engine platforms (including RB30 hybrid builds)
• Most factory-mounted RB engine configurations with bonnet clearance considerations

Built for Performance & Reliability

The NZKW RB26 / RB30 12AN Rocker Cover Breather Fitting is designed to help manage crankcase pressure more effectively in high-performance RB engines. By improving ventilation flow, it helps reduce oil contamination, minimise pressure buildup, and support more stable engine performance under boost.

The press-fit design allows for a clean installation without the need for fabrication or welding, making it an ideal solution for both professional engine builders and enthusiasts.

Why Choose NZKW Rocker Cover Breather Fittings?

• No-weld, easy press-fit installation
• High-flow 12AN breather outlet
• Compatible with push-lock and swivel fittings
• Designed for RB26 and RB30 performance builds
• Compact design for factory bonnet clearance
• Motorsport-grade durability and reliability

The NZKW Australia Nissan RB26 / RB30 Rocker Cover Breather Fitting – 12AN delivers a clean, efficient, and reliable solution for upgrading engine breathing systems in high-performance RB applications.