Scat stroker crank, mopar woodruff key...Too Short :/

https://sphotos-b.xx.fbcdn.net/hphotos-frc3/1233319_10152175655543858_316169953_n.jpg

What do you guys think? I didn't think it was going to be an issue when I purchased the Mopar one, but I guess it was too short. I just wanted to know if I should run it or just go get one that fills it in. Car has timing tensioner, so if I don't have to take it off it saves the hassle.