This is a optional HPI steel, 5mm bore, Mod 1 pitch. This pinion gear is intended for use with the Savage Flux HP Monster Truck, but can also be used in other applications that require Mod1 pitch and 5mm bore pinion gears. This Pinion Gear is an official HPI part that is machined from high strength hardened steel to precise factory specifications for a perfect fit and smooth gear mesh.
- (1) pinion gear
- (1) set screw