Ford Bronco Gen 6 4.56-5.13 Ratio 220MM-210MM Package Revolution Gear and AxleGear Packages from Revolution Gear and Axle include Front and Rear Ring and Pinion Gear Sets and Master Install Bearing Kits. Ring and pinions for the Gen 6 Ford Bronco are manufactured with the same gear cutting processes as the OE brands, utilizing a Face Hobbed or 2 Cut gear cutting style followed by lapping. Face hobbed gears can be easily distinguished by the equal gear height from heel to toe. Face hobbed gears produce lower noise and increase