This Schumacher Racing Products pinion gear features a long boss design and is made from hard alloy metal, offering a durable factory replacement option for builds running a 48 pitch gear system. The 37 tooth count makes it suited for tuning drive ratios on compatible Schumacher 1:12 platforms. The long boss includes a set screw for secure shaft mounting. Features: 48 pitch (48DP) 37 tooth count Long boss design with set screw Hard alloy metal construction 7/7/26 cs