This is a GN1Performance "Aluminum Gas Tank" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. Saves 5 lbs over the stock tank and eliminates the need to cut your trunk floor to install a fuel cell.  Not sold with any hardware and you must come up with your own straps to mount the tank. This all aluminum gas tank features a sump at the rear and a bung for a return line as well.  The tank has baffles inside to decrease fuel sloshing.  Designed for use with an external fuel pump and your stock fuel level sensor.  Can be used with an in tank pump with minor tweaking of the pump return.  You must also adapt a fuel filler tube to the tank. 

*FOR OFFROAD USE ONLY 

This is a GN1Performance "4 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, 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!

This is a GN1Performance "6 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, 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!

This is a GN1Performance "ALUMINIM HIGH FLOW 3 ROW RADIATOR" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This product not only looks great in the car, but also most importantly keeps your car running cool especially for those of you running front mount intercoolers. Not to mention this item will lighten up the front of your car. The radiator also has transmission and motor oil hook ups. The dimensions of this radiator are 31x18x2.5 and only weighs 13lbs!

This is a "BILLET ALUMINUM THROTTLE BODY VACUUM BLOCK" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This item replaces the stock cheap plastic piece. Our Vacuum block comes complete with 2 stud bolts, and a gasket. (Brass fitting not included). This item is made in the U.S.A. and has a billet machine finish to it.