RC HPI R40 Nitro 2 Speed 19 Tooth 16 mm Pinion Gear Aluminum Purple (1) 76969

HPI Threaded Pinion Gear 19T

HPI 76969 Threaded Pinion Gear (19T * 16mm) (1M/2nd Gear/2 Speed)

HPI Racing 86039 Threaded Clutch Bell 12mm 2-Speed Nitro 3 / Nitro RS4 3 Evo

HPI Suspension Arm Set for RTR Nitro RS4 A453 Genuine New Old Stock Vintage NOS

HPI A205 RS4 2 Speed Transmission Parts Spur Gear & Clutch Holder Pro Vintage RC

HPI Racing 106630 Threaded Pinion Gear 18Tx12mm 1M Orange Nitro RS4 3 Evo