Stock size, the crank is smaller, the water is bigger, alt stays pretty close to the same, all in all it comes out to be about the same if not exactly the same and well within the tensioners abilities. Gatorback is definately a good belt.BlackTbird96 said:I need to get a belt for my steeda underdrive pulleys. What size belt do I need? And What kind of belt is good? I heard people like gatorback belts.