Skunk2 Tuner Series D-Series Honda Stage 4 CamshaftTuner Series Stage 4 Camshaft; Fits w D VTEC Engines; Intake Dur. Lift 254 Deg. 0. 476in.; Exhaust Dur. Lift 254 Deg. 0. 460 in.; This Part Fits: Year Make Model Submodel 1988 1991 Honda Civic Base 1992 2000 Honda Civic CX 1988 2000 Honda Civic DX 1990 2000 Honda Civic EX 1998 2000 Honda Civic GX 1996 2000 Honda Civic HX 1988 2000 Honda Civic LX 1988 1991 Honda Civic RT 4WD 1989 1995,1999 Honda Civic Si 1999 Honda Civic Value Package 1992 1995 Honda