Trigger Wheel 4 Inch 36-1 DIYAutoTune Fan Favorite

4 inch 36-1 Trigger Wheel. Add a crankshaft position sensor to your engine with our laser cut 36-1 crank trigger wheel. This one is 4 inch in diameter and 1/8 inch thick, with a 1/2 inch diameter center hole (with plenty of room to enlarge it for larger crank bolts) and eight radial locating slots 1/4 inch wide. The teeth are 1/4 inch high, so this fits crankshaft pulleys up to 3 1/2 inch in diameter. This trigger wheel has a balance hole in it for smooth rotation. We designed this wheel for imports with u