Up for bid is a Ford four row crank pulley.In used cond and OD measures roughly 8-5/16 and the depth is roughly 3 inches.I DO NOT KNOW THE EXACT APPLICATION OF THIS PULLEY.It was in a box w about 20 other pulleys I got in a garage clean out.DO YOUR HOMEWORK BEFORE BIDDNG.Ford # is D3AE-6312-C.More parts on my other auctions.