Traxxas short crankshaft is construted of ABC (Aluminum Brass Chrome) donstruction.
Overall Length (front end of shaft to back of starter): 92mm (3-5/8")
Height (top of cylinder head to bottom of backplate): 93mm (3-5/8")
Width (cylinder head):41mm (1-1/2")
Mount holes (center to center): left to right: 31mm (1-1/4")
Mount holes (center to center): front to back: 11mm (7/16")
Overall width of mounting ears (where the holes are): 40mm (1-9/16")
Requires: A 1/10 scale kit to put it into and 5%-20% Glow Fuel.