Features and advantage: Due to Larger Diameter.You Must Use A Intake Manifold or Make Adjustments to Intake Manifold Throttle Body Flange to Match Bore and Keep IAC (Idle Air Control) Passage Separate your Series Throttle Body with a Intake Manifold for increased Will not fit on some D-series manifold with IAC opening less than 70mm. Must use Intake Manifold or similar. PART 309-05-1050 Application: MANUAL TRANSMISSION ONLY: For B17A1 For B18A1, B1, C1, C5 For B16A2, A3 For B20B, Z For D15B7, B8, Z1 For D16Y7, Y8, Z6 For F20C1 For F22C1 Not compatible with engines featuring down-flow intake manifolds,B18C GS-R intake manifold,'88-'91 D-series intake manifolds. Must use Intake Manifold or similar. For 1990 - 2001 (GS, ) For 1992 - 2001 (GS-R) Require to use Pro Manifold For 1997 - 2001 (Type R) For 1990 - 1999 () For 1993 - 2000 Coupe (DX, ) Require to use Pro Manifold for DX For 1996 - 2000 Coupe () For 1999 - 2000 Coupe (Si) For 1992 - 1995 Hatchback (, DX, Si, VX) Require to use Pro Manifold For 1992 - 2000 Sedan (DX, , LX) Require to use Pro Manifold for DX, LX For 1998 - 2000 Sedan (GX) Require to use Pro Manifold For 1993 - 1997 del Sol (S, Si) For 1994 - 1997 del Sol (VTEC) For 2000 - 2004 S2000 F20C only (Base) : metal colour: silver gray Package Contents: 1 x Throttle Body (Including mounting and screws) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.