HPI 33406 R40 Diff Gear Set - 4 Bevel Gear

Available from HPI Racing is a complete Diff Gear Set for the R40 nitro sedan. This set has the 4 bevel gear modification, which makes the car more stable under hard acceleration. The 4 bevel gear set-up also increases durability and extends service intervals. For convenience, this set includes everything needed to build a spare diff assembly, a useful thing to have at race events.