Skunk2 Alpha 74mm Throttle Body K Series Skunk2 Pro Series Throttle Body 68 70 74mm B D F H series JHPUSA Skunk2 Alpha K Series 74mm Throttle Body Skunk2 Pro Series Throttle Body 70 74mm K series JHPUSA. Skunk2 is proud to introduce the 74mm Pro Series Throttle Body for Honda B16 B17 B18 B20 D15 D16 F20 F22 F23 H22 and H23 engines found in a number of chassis from 1988 2005. A larger throttle body is key to producing additional power throughout the powerband on modified engines with increased airflow demands and the Skunk2s 74mm Pro Series Throttle Body delivers! Sealed ball bearings, a precision machined throttle plate and a honed oversized bore insures smooth operation on the most aggressive naturally aspirated and forced induction applications. FEATURES: CNC Machined from Forged Billet 6061 T6 Aluminum Hard Anodized for Corrosion Resistance and Durability Precision Machined Brass Throttle Plate Compatible w OEM Throttle Cable Sealed Ball Bearings for Smooth Operation New Throttle Body Gasket and Hardware