Skunk2 Pro Series 74mm Billet Throttle Body RawSkunk2 is proud to introduce the 74mm Pro Series Throttle Body for Honda K20A K20A2 K20A3 K20Z1 engines found in the 2001 2005 Civic Type R and 2001 2007 Integras (Including Type R Type S0. A larger throttle body is key to producing additional power throughout the powerband on modified engines with increased airflow demands and the Skunk2s 70mm Pro Series Throttle Body delivers! Sealed ball bearings, a precision machined throttle plate and a honed