GFB 2008+ Mitsubishi Lancer Ralliart (4B11T) WGA Wastegate Actuator (Tune Required)

The GFB 2008+ Mitsubishi Lancer Ralliart (4B11T) WGA Wastegate Actuator is a high-performance, compact upgrade designed to enhance boost control for turbocharged engines. Featuring an industry-first Silicone/Nomex diaphragm with a bead retention design, it offers the largest effective area in the smallest size, providing improved control authority over the wastegate flap. Its 18mm stroke allows for precise boost regulation and the ability to increase boost pressure without spring changes. The unique pivoting rod guide, machined from PEEK, reduces height and friction while increasing wear resistance. The WGA’s thoughtful design ensures minimal bulk, making it the shortest actuator on the market. With turnbuckle adjustment and three stainless steel springs, it offers extensive fine-tuning capabilities for optimal performance and boost stability.

Designed specifically for 2008 and newer Mitsubishi Lancer Ralliart models equipped with the 4B11T engine, this wastegate actuator is a direct replacement upgrade. It is suitable for street, track, or high-performance applications where precise boost control is critical. Installation involves bolt-on replacement, and the kit includes the actuator with adjustable components for easy setup. Compatibility requires the vehicle to have a matching turbo setup, and tuning is recommended to maximize performance gains. This product is ideal for enthusiasts seeking reliable, adjustable boost control to improve turbo response and overall engine performance.