COBB Tuning 3 Port Boost Solenoid Mitsubishi Evo X (CZ4A) / Ralliart Lancer (CZ4A)

Cobb Tuning 3 Port Boost Solenoid - Mitsubishi Evo X/Ralliart Lancer

Cobb Tuning has built a reputation for producing boost control hardware that delivers the precision and repeatability serious tuning demands. The Cobb 3 Port Boost Control Solenoid replaces the factory unit with a purpose-built solenoid that eliminates the boost fluctuations common in OEM systems, giving you stable, consistent boost from street driving through to high power track builds — all in a compact, waterproof package.

This listing covers the Cobb 3 Port BCS for the Mitsubishi Lancer Evolution X (CZ4A) and Ralliart Lancer (CY4A). The unit mounts in the stock location and connects directly to the factory wiring harness. Optional 6.35mm (1/4 in) nickel plated fittings are available separately if required.

Key Features

• Eliminates boost fluctuations inherent in OEM boost control systems
• Operating range rated to 827 kPa (120 psi) — suitable for stock and high power builds
• Plug and play 18-gauge wiring harness — direct connection to factory plug
• 3.175mm (1/8 in) nickel plated barbed fittings included, low profile for a tidy fit
• Custom aluminium mounting bracket with stainless steel hardware
• Viton spools and seals throughout for durability and long service life
• Waterproof construction — ultrasonically welded coil wires, waterproof wiring grommet, O-ring sealed manual override port
• Includes boost line, zip ties, and illustrated installation instructions covering internal and external wastegate configurations

Vehicle compatibility, OEM part numbers, and fitment notes are provided in the tabs above. Please confirm your vehicle's year, trim level, and configuration before ordering.

Not sure if this suits your build? Contact our team at sales@chicaneaustralia.com.au for expert advice.