Yeah, the OP's single cyl Courage has the filter oriented in such a way, you're limited on size choices. On the Courage V-twins like mine, the sky is the limit with space. I run FL400's. The blocks are pretty much identical to a Command block.
2014 Subaru XV Crosstek 2.0L, 5spd, 2013 Dodge Grand Caravan SE (Babe magnet III)