*** IN STOCK SHIPS TODAY *** Crank gear is made from heat treated 4340 steel and has had the bore precision honed and uses two .187" keyways providing the ultimate in strength engagement to the crankshaft. The gear finish is ground after heat treat so the gears concentricity on the crankshaft is at its best providing the racer with the most accurate timing and a nice precision gear set on the front of there motor.
Tooth count on the gear is twenty four teeth, black oxide finish and the gear is .750" wide. For the racer that has had some engine damage RBS offer a .010" undersize crank gear so when the crank is dropped down in the block from the line bore the gear mesh is kept where the racer needs it.
Racer can choose gear size from drop down menu.