B Series to K Series Pattern Throttle Body Adapter To Mount B Series TB To RBC Intake Manifold 68mm TB Opening Works With Any RBC Style Bolt Pattern Manifolds Incl S2 Pro Series For Civic Si
K Series (DBW) Throttle Body to Ford 90mm 5.0L Throttle Body Bolt Pattern Adapter To Mount To S2 Ultra Race Manifold For K Series 72mm TB Opening RBC (DB) To 90mm Ford 5.0 TB