Team Associated 91166 Pinion Gear, 15-Tooth Hardened steel construction Tooth count pressed into the base of the pinion One Associated 15T pinion and set screw This product is manufactured in China Replacement 91166 Pinion Gear, 15 Tooth 32 P (5mm Shaft) for select Associated vehicles Precision OEM parts for great performance See your vehicle's User Manual for exact parts listings