http://www.toolbarn.com/product/magna/95498/ they say to use a 9/16 too... EDIT: I ordered that one... hope its right. thanks for the help guys.
Evo 8 - 12.3@113 circa 2009 (~330whp)Now with BB Xona Rotor HTZ FP Red and ~450whp2018 MSM Civic SI Ktuner TSP stage 1 w/ Honda hacked headunit.