came across this in a thread not to long ago... should help you out with the finding HO parts...
1988-1995 Buick Skylark
1988-1989 - 2.3L Quad 4 DOHC (LD2) 150HP Model: Custom, Limited
1990 - 2.3L Quad 4 DOHC (LD2) 160HP Model: Custom, Gran Sport
1991 - 2.3L Quad 4 DOHC (LD2) 160HP Model: Custom, Gran Sport, Luxury Edition
1992 - 2.3L Quad 4 OHC (L40) 120HP Model: Base
1993-1994 - 2.3L Quad 4 OHC (L40) 115HP Model: Custom, Limited
1995 - 2.3L Quad 4 DOHC (LD2) 150HP Model: Custom, Limited
1990-1994 Chevrolet Beretta
1990-1992 - 2.3L Quad 4 DOHC (LGO) 180hp Model: GTZ
1993 - 2.3L Quad 4 DOHC (LGO) 175hp Model: GTZ
1994 - 2.3L Quad 4 DOHC (LGO) 170HP Model: Z26
1995 Chevrolet Cavalier
1995 - 2.3L Quad 4 DOHC (LD2) 150HP Model: Z24
1992-1995 Oldsmobile Achieva
1992 - 2.3L Quad 4 OHC (L40) 120HP Model: S
1992 - 2.3L Quad 4 DOHC (LD2) 160HP Model: S, SL
1992 - 2.3L Quad 4 DOHC (LGO) 180HP Model: SC
1992 - 2.3L Quad 4 DOHC (W41) 190HP Model: SCX
1993 - 2.3L Quad 4 DOHC (LD2) 155HP Model: S, SL
1993 - 2.3L Quad 4 DOHC (LGO) 175HP Model: SC
1993 - 2.3L Quad 4 DOHC (W41) 185HP Model: SCX
1993-1994 - 2.3L Quad 4 OHC (L40) 115HP Model: S
1994 - 2.3L Quad 4 DOHC (LD2) 155HP Model: S, SC
1994 - 2.3L Quad 4 DOHC (LGO) 175HP Model: SC
1995 - 2.3L Quad 4 DOHC (LD2) 150HP Model: S SERIES I & II
1988-1991 Oldsmobile Calais
1988-1989 - 2.3L Quad 4 DOHC (LD2) 150HP Model: International, SL
1990-1991 - 2.3L Quad 4 DOHC (LD2) 160HP Model: International, S, SL
1989-1991 - 2.3L Quad 4 DOHC (LGO) 180hp Model: International, S, 442
1991 - 2.3L Quad 4 DOHC (W41) 190hp Model: 442 W41
1990-1991 Oldsmobile Cutlass Supreme
1990 - 2.3L Quad 4 DOHC (LGO) 180HP Model: International
1990 - 2.3L Quad 4 DOHC (LD2) 160HP Model: Base
1991 - 2.3L Quad 4 DOHC (LD2) 160HP Model: Base
1988-1995 Pontiac Grand AM
1988-1989 - 2.3L Quad 4 DOHC (LD2) 150HP Model: SE, LE
1990 - 2.3L Quad 4 DOHC (LD2) 160HP Model: SE, LE
1989-1990 - 2.3L Quad 4 DOHC (LGO) 180HP Model: SE
1991 - 2.3L Quad 4 DOHC (LD2) 160HP Model: LE
1991 - 2.3L Quad 4 DOHC (LGO) 180HP Model: SE, LE
1992 - 2.3L Quad 4 DOHC (LGO) 180HP Model: GT
1992 - 2.3L Quad 4 OHC (L40) 120HP Model: SE
1992 - 2.3L Quad 4 DOHC (LD2) 160HP Model: SE, GT
1993 - 2.3L Quad 4 DOHC (LD2) 155HP Model: SE, GT
1993-1994 - 2.3L Quad 4 OHC (L40) 115HP Model: SE
1993-1994 - 2.3L Quad 4 DOHC (LGO) 175HP Model: GT
1994 - 2.3L Quad 4 DOHC (LD2) 150HP Model: SE, GT
1995 - 2.3L Quad 4 DOHC (LD2) 150HP Model: SE, GT
1990-1991 Pontiac Grand Prix
1990 - 2.3L Quad 4 DOHC (LD2) 160HP Model: LE
1991 - 2.3L Quad 4 DOHC (LD2) 160HP Model: LE, SE
1995 Pontiac Sunfire
1995 - 2.3L Quad 4 DOHC (LD2) 150HP Model: GT
you can thank Kardain for pulling this list up... enjoy...