4WD Vacuum Actuator, Front Axle Drivetrain and Chassis_Suspension and Steering Flow and Performance: Constructed of

Flow and Performance: Constructed of 3-1/2" Cold-Side mandrel-bent aluminum tubing for maximum flow then powder-coated wrinkle-black for heat and corrosion resistance

This performance module increase turbo boost and fuel pressure

Reduces boost pressure drop/loss on the stock intake system

Controls Transmission TCC and Exhaust Brake Based on MAP

Having an accurate

4WD Vacuum Actuator, Front Axle Drivetrain and Chassis_Suspension and Steering Flow and Performance: Constructed of600 202 More like a complete kit than a single part, Dorman's Four Wheel Drive (4WD) Actuator comes with all the parts needed to complete the repair. Since this part is a direct replacement, the exact fit adds another layer of efficiency and convenience.