RC enthusiasts, listen up - this powder metallurgy differential from Fit for Hyper GO is a serious upgrade for your ride! Part number 16420Y is designed specifically for Hyper GO H16GT, H16DR, H16BM, H16, H16PL, H14BM models and fits 1/14 and 1/16 scale vehicles. The powder metallurgy construction is what makes this special - it's got excellent performance and stability that'll last through some serious driving sessions. Installation is pretty straightforward: just remove the fixing screws, swap out your old differential, and pop this one in place. They even pre-add butter at the factory (though you can use other lubricants if you prefer). This isn't one of those cheap plastic parts that'll strip after a few runs - this is built for durability and consistent performance. Just make sure you check compatibility before ordering, especially if you've heavily modified your RC car. If you're tired of worn-out differentials affecting your car's performance or just want to upgrade from stock parts, this powder metallurgy differential will give you that smooth, reliable power transfer you're looking for. Your Hyper GO will handle better and last longer with this quality replacement part!