KM601 Animal Crankshaft Holder for Leakdown Testing and PositioningLeakdown testing reveals the hidden weaknesses in your kart's powerplant before they sabotage your race. This holding tool locks the crankshaft firmly in place across nine critical positions, from top dead center to bottom and everything in between, making comprehensive checks straightforward and precise. Why does this matter? In karting, where engines scream at redline for entire sessions, even minor leaks can erode compression, sapping speed and