If it does not have the valley between the top two bolts then it is not an OEM style Pontiac Turbo Trans. The other ones have a Chevy appearing hump in the middle of the two bolts.
Title: If it does not have the valley between the top two bolts then it is not an OEM style Pontiac Turbo Trans. The other ones have a Chevy appearing hump in the middle of the two bolts.