MPC RBC Throttle Body Adaptor Pulleys It's commonly used on the

It's commonly used on the street

not weak worm gear clamps to ensure a leak-free seal

Optimum Sealing

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The lighter housing significantly reduces heat soak

MPC RBC Throttle Body Adaptor Pulleys It's commonly used on theMPC RBC Throttle Body Adaptor The MPC RBC Throttle Body Adapter is designed to mate your K20a, a2, a3 or z1 Throttle body to the RBC Intake manifold. These adapters feature a 70mm bore for increased airflow. MPC Throttle Body Adapters also feature 1 8 NPT Vacuum ports for boost or other applications that require additional vacuum lines. High grade hardware is included to provide an easy and clean installation. Features: Used to mate your K Series