HPI Racing Diff Set 15/38T RC Differential Gear Set - HPI88000 Fuel Cap Kwik Fill Fitting this is a full-size pit

this is a full-size pit box drawer unit built for serious RC racers and builders who need their gear sorted and accessible

and similar 1/10 on-road chassis accepting 190mm shells

One Seagull Models wooden flight box

wheel nut wrench)

Broad compatibility across multiple TRX-4 model numbers

HPI Racing Diff Set 15/38T RC Differential Gear Set - HPI88000 Fuel Cap Kwik Fill Fitting this is a full-size pitThe HPI Racing 88000 Differential Gear Set is a direct fit drivetrain component designed to replace worn or damaged differential gears in compatible HPI Racing models. Featuring a 15 38 tooth gear ratio, this RC differential gear set restores correct power distribution to the axles and keeps your drivetrain running as intended. If you're experiencing grinding, slipping, or uneven drive from your HPI model, replacing the diff gears is a logical first