Spare parts for your GFB Boost Controller.

4 Port Boost Control Solenoid (Includes 4 x hose tails)

Purchase seperately for GFB electronic boost controllers G-Force II (3004), G-Force III (3005), and D-Force (3006 & 3007).

MAC 45 series are the go-to solenoid valve for automotive boost control due to their exceptionally rugged and reliable design. Features waterproof female connector, 1/8″ BSP threads, and includes four  hose tails.