This is a "Deep Transmission Pan for afactory 200-r4 Buick Trans " for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is an all aluminum deep aluminum transmission pan which holds more fluid for cooler temps, heavy duty thick material for added strength, machined gasket surface to allow the ultimate seal, magnetic drain plug, and all the hardware needed to bolt it up to your car today.