HORSEPOWER, INC Throttle Body Black 58/1.80 HPI-58D1-18B

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, Fully machined and ported internally for unparalleled flow, Large plenum design maximizes mid- and high-rpm power, Made in the U.S.A.