This listing is for a set of standard bore NPR rings for 1990-2000 Acura/Honda models with the Acura 1.7L/1.8L B18A1, B1, C1, C5 and Honda 1.6L B16A2 and A3 4-cylinder engines. Applications include Acura 1.7L (1991-1993) Integra, 1.8L (1990-2001) Integra / Honda 1.6L (1999-2000) Civic SI, (1994-1997) Del Sol .