This is a "drop in replacement" SUPER EXTREME ALUMINIM HIGH FLOW 3 INCH 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 comes with a new cap and also has transmission and motor oil hook ups. this dimensions of this radiator are 31x18x3 and only weighs 13lbs!