Horsepower HPI-55MFI-18 Maxflow 55mm Throttle Body - 1.800in. Intake Runner

Large plenum design maximizes midand high-rpm power. Specifically designed for larger cubic inch motors that require substantial airflow. Fully machined and ported internally for unparalleled flow. Feature a stainless steel shaft and 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