Compu-Fire starter gears feature 10-tooth pinion gears and 84-tooth starter ring gearsProduces 15% more starting torque than stockMade of 8620 carbonized steel for strength and long lifeGear sets use OEM clutch basketsMade in the USACompu-Fire starter gears feature 10-tooth pinion gears and 84-tooth starter ring gears Produces 15% more starting torque than stock Made of 8620 carbonized steel for strength and long life Gear sets use OEM clutch baskets Made in the USA