A&E Hand Tools gives H-D techs a hand with their newest Kastar 6-Spline Crankshaft Wrench for use on 2007 Harley-Davidson Sportster and 2008 Buell model 6-spline engines, and the new 24-Spline Crankshaft Wrench for use on 2006 Dyna 24-spline engines. The reversible ratcheting wrenches are used for the rotation of the crankshaft and to check engine timing and parts clearance. The wrenches are custom designed to fit perfectly on the crankshafts listed in the above engines. Both are heat-treated and chrome-plated for durability and appearance and come complete with E-Z Grip handles that allow for more turning power with less hand fatigue.