THIS IS A NEW DEEP TRANSMISSION COVER THAT COMES WITH THE DRAIN PLUG INCLUDED. The pictured Turbo 400 pan is the deeper 3" finned unit. It will fit all turbo 400 transmissions from GMC and Chevy trucks and the Chevy, Pontiac, Oldsmobile, Buick and Cadillac cars that used this common transmission. 2 EXTRA QUART FLUID CAPACITY WILL BE GAINED BY REPLACING YOUR STOCK PAN ***BUT*** if you prefer the stock capacity we'll gladly substitute it at the same cost!