Twin Power 90-93 Big Twin Starter Ring Gear 66 Teeth

These gears are black oxide-coated and heat-treated for maximum strength to give you the best performance possible.

Precision-machined steel gears ensure positive starter pinion engagement without slip

66-tooth option for early models, 102-tooth for later 5-speeds

Direct fit restores factory starter-to-flywheel drive ratio

Twin Power 90-93 Big Twin Starter Ring Gear 66 Teeth

Starter Ring Gear, 66 Tooth