For visually impaired users: Browse the streamlined version of our website.

HPI Heavy Duty Final Gear Set

Please be aware that pricing and product availability in-store may vary from what’s available online because each store is independently owned and operated.
This item is discontinued and no longer available for purchase. You may want to search our site for a similar item.
Note: Manufacturer does not allow using discount coupons
Low Price: $42.99
Discontinued Online

This is an optional HPI Heavy Duty Final Gear Set. These are standard replacement parts for the powerful Nitro MT 2 18SS trucks, and can be installed on the standard Nitro MT 2 trucks for a significant increase in drivetrain strength and extended maintenance intervals. Precision machined from special heat treated steel, these heavy-duty gears are highly recommended for Nitro MT 2 owners who have upgraded to powerful engines and for extreme off-road driving conditions. The set includes one 38 tooth ring gear and one 13 tooth bevel gear, two sets are required for a complete upgrade to the Nitro MT 2 truck. Not recommended for the original Nitro RS4 MT due to fitment complications. This part is also an upgrade for the Wheelie King transmission.

To use this part on the Wheelie King you will also need the HPI87608 Universal center drive shaft (2 pcs required for the Wheely King 4WD). To use this part on the Crawler King or with the Wheely King Rock Crawler conversion set HPI87632 or HPI87633 you will also need the HPI88119 Universal Center Drive Shaft Set.


  • Direct replacement for the Nitro MT2
  • Significant increase in strength and durability
  • Machined from heat-treated steel

This product was added to our catalog on December 15, 2014