This is a Racetronix "Stainless Fuel Pump Sender and DUAL 340LPH E85 Compatible Pump with Quick Disconnect Fittings In Tank Fuel System" for Buick Grand National, T-Type - Stainless Sender for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. (requires an upgraded fuel line kit)