Description
Big Bore Throttle Body – Black – 51 mm – Twin Cam
Upgrade your motorcycle’s airflow with the HORSEPOWER, INC Big Bore Throttle Body, part number HPI-51D6-16B. This premium component features a CNC ported intake manifold and meticulously machined internal ports, designed to maximize airflow and improve engine performance. The included throttle body is tested on flow benches and dyno-proven to increase horsepower and torque, ensuring your bike delivers optimal power on the road. The brass throttle blade resists deflection, maintaining precise throttle response under demanding conditions. Equipped with a sealed double roller bearing, this throttle body guarantees smooth and reliable operation, providing consistent throttle control. Compatibility with all factory OEM electronics, including cruise control systems, makes installation straightforward without needing additional modifications. The stock bolt pattern and air cleaner opening ensure a perfect fit for Twin Cam engines, while the black finish adds a sleek, performance-oriented look. Made in the USA, this throttle body combines quality craftsmanship with high-performance features to enhance your motorcycle’s capabilities.
Features:
- 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, maintaining throttle position accuracy
- Sealed double roller bearing for smooth throttle operation
- Compatible with all factory OEM electronics, including cruise control
- Fully machined and internally ported for optimal flow
- Stock bolt pattern and air cleaner opening for easy installation
- Made in the USA





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