5.7L LT1 Water Pump Drive Shaft Coupler is a direct fit for the following:

1992-1996 Chevrolet Corvette
1994-1996 Chevrolet Caprice
1992-1996 Chevrolet Impala SS
1993-1997 Chevrolet Camaro
1993-1997 Pontiac Firebird
1994-1996 Buick Roadmaster
1994-1996 Buick Fleetwood Brougham
5.7L Engines Only