The B18A series is the engine found in 1990-1993 USDM Integras, not including the GSR in 1992 & 1993. It is a DOHC Non-VTEC engine with the following horsepower and torque ratings:

1990-1991:
Horsepower: 130 @ 6000
Torque: 121 @ 5000

1992-1993:
Horsepower: 140 @ 6300
Torque: 126 @ 5000