Horsepower Maxflow 55mm Throttle Body - 1.800in. Intake Runner - Black Finish - HPI-55MF1-18B

Large 58mm 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 or black finish with split shaft design and stainless steel spring
Equipped with a sealed double-roller bearing for smooth throttle operation
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
Made in the U.S.A.