Big Bore Throttle Body – Black – 51 mm – Twin Cam

Includes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges and seals; Flow bench-tested and dyno-proven to deliver increased airflow, horsepower and torque; Brass throttle blade resists deflection, which helps maintain throttle position accuracy; Equipped with a sealed double roller bearing for smooth throttle operation; Compatible with all factory OEM electronics, including cruise control; Fully machined and ported internally for unparalleled flow; Stock bolt pattern and air cleaner opening; Made in USA