Overview Reviews Product Description The Gear pictured on the left is used on 3.0 motors using a 123ignition. Fits 10mm shaft OD. Check which gear you have before ordering your distributor. Product Videos Custom Field Product Reviews Write a Review Write a Review × 123ignition 3.0 Gear L/H Pitch Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *