NZKW Australia 10AN Rocker Cover Press-Fit Breather Fitting – Nissan RB20 & RB25 Series (Cylinder 1–3)

Intro
Upgrade your Nissan RB20 or RB25 engine with the NZKW Australia 10AN Rocker Cover Press-Fit Breather Fitting, designed to provide a simple and reliable solution for aftermarket crankcase ventilation systems. Featuring a precision-machined press-fit design, this fitting eliminates the need for welding while providing a secure 10AN male connection for catch cans, breather tanks, and custom AN plumbing. Available in Black or Blue, it's the perfect finishing touch for both street and motorsport builds.

What's Included
• 1 x NZKW Australia 10AN Press-Fit Rocker Cover Breather Fitting
• Suits Cylinder 1–3 Rocker Cover Position
• Colour of your choice (Black or Blue)

Specifications
• Material: Precision-machined aluminium
• Type: Press-fit rocker cover breather fitting
• Connection: 10AN male
• Fitment: Nissan RB20 & RB25 Series rocker covers (Cylinder 1–3 fitting)
• Installation: Press-fit – no welding required
• Finish: Anodised Black or Blue

Key Features
• Direct press-fit installation with no welding required
• Specifically designed for Nissan RB20 and RB25 Series rocker covers
• 10AN male outlet for aftermarket breather and catch can systems
• Compatible with both push-lock and swivel 10AN hose fittings
• Precision-machined for a secure, leak-resistant fit
• Ideal for custom crankcase ventilation upgrades
• Clean, professional appearance for engine bay builds
• Durable anodised finish available in Black or Blue
• Suitable for naturally aspirated and turbocharged applications
• Perfect for street, drift, drag, circuit and track vehicles

Compatible With / Applications
• Nissan RB20 Series engines
• Nissan RB25 Series engines
• Cylinder 1–3 rocker cover breather location
• Oil catch can installations
• Custom crankcase ventilation systems
• Street performance, drift, drag racing, circuit, time attack and motorsport applications

Built for Performance & Reliability
The NZKW Australia 10AN Rocker Cover Press-Fit Breather Fitting is engineered to simplify crankcase ventilation upgrades without permanent modification to your rocker cover. Its precision-machined press-fit design provides a secure installation while eliminating the need for welding, making it ideal for both fresh engine builds and existing performance setups. The universal 10AN male outlet allows easy integration with AN hose systems, catch cans and breather tanks, delivering a clean, professional installation built to withstand the demands of high-performance RB-powered vehicles.

Why Choose NZKW Australia?
🇦🇺 Australian owned and operated
🏁 Motorsport development and real-world track testing
✅ Trusted by workshops, race teams, and enthusiasts
Precision-engineered performance components built for reliability
🚚 Fast Australia-wide shipping
Designed for street, drift, drag, circuit, rally, and off-road applications
Backed by expert product knowledge and local support