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HPi American made throttle bodies provide a crisp throttle response and are flow bench tested for unparalleled dyno-proven performance to increase airflow and to allow for substantial increases in horsepower and torque.
When performance counts, Horsepower Inc. (HPi) is your only choice for Harley-Davidson® v-twin fuel injection. We design and manufacture a wide variety of Throttle Bodies, Air Cleaners, Injectors, Exhausts, Performance Products and Replacement Performance Products to complete your EFI build.
HPi Milwaukee-Eight® throttle bodies are designed to allow more airflow over the stock 55mm throttle body. HPi M8® units are offered in 58mm, 62mm and 70mm size. The throttle body is manufactured out of 6061 billet material and include a fully CNC ported aluminum intake manifold.
21 sty 2021 · Jeff G. Holt of VTV explains why your performance motor needs a larger throttle body and bigger fuel injectors to perform its best.
Horsepower Inc. (HPI) throttle bodies are our Stage 3 performance upgrade and are the best choice for Harley-Davidson® V-twin injection. 51mm, 55mm and 58mm throttle body sizes available with hand ported intake runner diameters for 1.66 (stock) 1.710, 1.730, 1.760 and 1.800 dimensions.
23 maj 2021 · HPi makes these injectors as a direct drop-in replacement for Harley-Davidson motorcycles equipped with a Delphi engine management system. They also feature a specifically engineered spray pattern that optimizes fuel atomization.
Horsepower 55/58mm Maxflow Throttle Body. Large plenum design maximizes mid- and high-rpm power. Specifically designed for larger cubic inch motors that require substantial airflow. Fully machined and ported internally for unparalleled flow. Feature a natural finish with split shaft design and stainless steel spring.
