· Fit For RBC / RRC Dual Throttle Body Adapter (62/70mm, both sizes) K20 K24 K20Z1 K20A1 K20A2 K24A K20A3. · Not fit For Acura RSX base model 2002-2006 K20A3 engine for Original intake manifold and Throttle，Only fit for K20A3 Throttle bodies from Civic Si 2002-2005.
