NZKW Australia 10AN Rocker Cover Press-Fit Breather Fitting – Mitsubishi EVO 4–9 4G63

Intro
Upgrade your crankcase ventilation system with the NZKW Australia 10AN Rocker Cover Press-Fit Breather Fitting for the Mitsubishi EVO 4–9 4G63 engine. Designed as a simple press-fit solution, these fittings eliminate the need for welding while providing a secure 10AN male connection for aftermarket breather and catch can systems. Available for both the side and rear rocker cover ports, they're the perfect solution for high-performance street and motorsport builds.

What's Included
• 1 x NZKW Australia 10AN Press-Fit Rocker Cover Fitting
• Choice of Side Port or Rear Port configuration

Specifications
• Material: Precision-machined aluminium
• Type: Press-fit 10AN male rocker cover breather fitting
• Connection: 10AN male
• Fitment: Mitsubishi EVO 4–9 4G63 rocker cover
• Side Port: Fits side port adjacent to the intercooler pipe
• Rear Port: Fits rear port adjacent to the fuel rail
• Finish: CNC machined finish

Key Features
• Direct press-fit installation with no welding required
• Designed specifically for Mitsubishi EVO 4–9 4G63 rocker covers
• Available for both side and rear rocker cover ports
• 10AN male outlet suits aftermarket breather and catch can plumbing
• Compatible with both push-lock and swivel 10AN hose fittings
• Provides a clean, professional engine bay appearance
• Ideal for upgraded crankcase ventilation systems
• Precision-machined for a secure and reliable fit
• Suitable for naturally aspirated and turbocharged performance builds
• Perfect for street, track, drift, drag and circuit applications

Compatible With / Applications
• Mitsubishi Lancer Evolution 4, 5, 6, 7, 8 & 9 (4G63 Engine)
• Custom crankcase ventilation systems
• Oil catch can installations
• High-performance street vehicles
• Drift, drag racing, circuit racing, rally and time attack builds

Built for Performance & Reliability
The NZKW Australia 10AN Rocker Cover Press-Fit Fitting is engineered to simplify the installation of aftermarket breather and catch can systems without the hassle and expense of welding. Its precision-machined press-fit design provides a secure installation while the universal 10AN male connection offers compatibility with a wide range of AN plumbing solutions. Whether you're improving crankcase ventilation on a street-driven EVO or building a dedicated race car, these fittings deliver a clean, reliable, and professional solution that integrates seamlessly with modern performance setups.

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

Orders are dispatched within 24 hours, unless stated otherwise at time of ordering.

Online Only: 24 to 48 hours delay, but in some cases up to 5 days, depending on the product and third-party shipping.

Pre-order: Available only for items in transit to our Australian warehouse. Estimated dates depend on third-party shipping.

Special Order: Products we manufacture or need to restock. Average time is 3-5 weeks, but may vary depending on third- party shipping