B18B1 Acura Integra GS/LS/RS 1994-1995 140 HpB18C Acura Integra SiR (JDM) 1995-1997 180HpB18C1 Acura Integra GSR 1994-2001 170hpB18C3 Honda Integra Type R 1995-1998 195hpB18C5 Acura Integra Type R 1998-2001 200hpC32A 3.2L DOHC VTEC- V6 97+ NSX/NSX-T 290hp 1994 GS/LS/RS Integras came with a B18B1, 1994 GSRs came with a B18C1. Thats only if it is stock. You can cram just about any motor into an integra. Common integra swaps include B16A, all B18Cs, H22s (prelude motor), K20s (RSX motor), LS VTEC (LS bottom end with VTEC head and other motor goodies)