They can even be installed in a through-the-body option in either upwards or downwards options for even more versatility

aluminum case

This is the Hot Racing CNC Turn Fin for the Traxxas SPARTAN BOAT FEATURES Increases performance and handling for SPARTAN BOATS Hot Racing high performance turn fin and mounting bracket will help your boat turn faster with more stability in both right and left turns

corrosion resistance

The part design layout provides the chassis optimal torsional rigidity which can be further adjusted by removing the frame center section

HPI Racing - Radio Box Set, Vorza/Trophy Flux Electric Motors ESC Single no BEC They can even be installed