CIRCUIT SE7EN Vibration Isolating billet electronic boost control solenoid mounting bracket... Black Hard Anodize. Made in Colorado, USA. This listing is for the mounting bracket that holds genuine MAC valves / electronic boost control solenoid for 35,45&46 series MAC valves, AEM 30-2400, or similar type mac valves (COBB, AMP EFI, GrimmSpeed, Innovate, ect).