HORSEPOWER, INC Throttle Body - '06-'10 Big Twin - 55mm HPI-55MF6-18

HORSEPOWER, INC Throttle Body '06-'10 Big Twin 55mm HPI-55MF6-18

Brass throttle blade and shaft resist deflection, which helps maintain throttle position accuracy, Completely replaces OEM throttle body and manifold; fully compatible with OEM components, Specifically designed for larger cubic inch motors that require substantial airflow, Equipped with a sealed double roller bearing for smooth throttle operation, Feature a natural finish with split shaft design and stainless steel spring, Large plenum design maximizes mid- and high-rpm power, Fully machined and ported internally for unparalleled flow, Made in the U.S.A., Size given for throttle bodies is measured at the butterfly.