9777 Ring gear axle & pinion gear TRX97779777 Ring gear axle & pinion gear TRX9777Ring gear, axle (2)/ pinion gear, axle (2)Replacement ring and pinion gears from the front and rear axlesReplacement part for these models:TRX-4MT™ 1/18 1979 Chevrolet® K10 Monster TruckTRX-4MT™ 1/18 1979 Ford® F-150® Monster TruckTRX-4M™ 1/18 1979 Chevrolet® K10 High Trail Edition™TRX-4M™ 1/18 1979 Ford® F-150® High Trail Edition™TRX-4M™ 1/18 Ford® Bronco®TRX-4M™ 1/18 Land Rover® Defender®
