I don't believe that is an internal balanced crank. My advice would be to put on a damper for a 360 on and put it together. That bobweight is very close to what a stock 360 is with KB 107's. J.Rob

2009 PHR\EMC Competitor
2010 PHR\EMC Competitor
2011 PHR\EMC Competitor
2012 PHR\EMC Competitor
2013 PHR\EMC Competitor
2014 HotRod/EMC Competitor
2015 HotRod/EMC NoShow
2016 HotRod/EMC 3rd place SPEC Bigblock
2018 HotRod/EMC 7th place G3