I'm here most days...Trust you to bust my balls Don! I had to replace the old group 24 battery which had no reserve. My buddy with the parts store sold me this battery which he said was the one with the most CCA. I think the original application is some kind of Ford product. It is quite a bit longer and a bit wider than the old battery, but actually about an inch shorter. I had to rebend the retaining ears on the hold down and yes I will have to shorten the J bolts.