This is a GN1Performance "7 PIECE BILLET ALUMINUM PULLEY SET" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. These pulleys are CNC machined with a high polished finish. The kit includeds the crank pulley, water pump pulley, power steering pulley, tensioner pulley, a/c delete pulley, alt fan and last but not least the alternator pulley. Not only do these pulleys look very nice, but they are also extremely light weight!
MADE IN U.S.A!