HPI SUPER HEAVY DUTY DRIVE SHAFT AXLE SET will upgrade any HPI Savage truck to the ultra-strong outdrives and dogbones developed for the Savage XL.

HPI Racing Universal Drive Shaft Set for the Firestorm and E-Firestorm Vehicles.

HPI Universal Joints 9x162mm (PAIR)

HPI optional Titanium Drive Shaft 6x67.

HPI Universal Joints for 17mm Hex Hub Conversion Set

HPI Two Optional Universal Dog-bones Rear RS4 MT Kit.

HPI 22x68mm Drive Axles for the Baja

HPI two front or rear MIP CVD purple aluminum RS4 Pro 4 touring car kit.

HPI MIP front CVDs for the Nitro RS4 3 on-road cars.

HPI MIP rear CVDs for the Nitro RS4 3 on-road cars.

HPI set of Rear Universal Dogbones for the WIDE (200mm) version of the RS4.

HPI set of Universal Dogbones for the Super Nitro. These replace the stock dogbone and axle.

HPI set of Universal Dogbones for the Super Nitro. These replace the stock dogbone and axle.

HPI pair of optional Heavy-Duty Drive Shafts and Boots for the Baja 5B RTR.

HPI pair of Universal Dogbones for the Sprint.

HPI E10 Touring/Drift owners can now upgrade to Universal Drive Shafts for improved efficiency, smoother suspension movement, and less maintenance.

HPI RS4 3 Evo models. This is the Stage D Drift Conversion Kit from HPI.

HPI pair of E-Savage universal shaft set

HPI Savage 25 Universal Dogbone 8x87mm Center Front

HPI Savage 8x93 Center Rear Universal Dogbone.  This Universal goes in the center rear of the truck

HPI optional front universal dogbone for the Nitro RS4 MT. This replaces the center dog-bone.

HPI Delrin outdrive set for the RS4 Pro 4.

HPI factory replacement parts are now available for the optional Nitro RS4 3 Drift Universal Drive Shafts.

HPI factory replacement parts are now available for the optional Nitro RS4 3 Drift Universal Drive Shafts.

HPI Wheely King owners, this Steel Universal Drive Set replaces the center driveshaft on Wheely King trucks for improved durability and more efficiency than the stock plastic center drive shaft, perfect for extreme driving conditions.

HPI Stock Replacement Shiny CVD Bones for the Nitro MT Racer.

HPI optional Solid Rear Axle for the R40. This replaces the rear differential on the car.

HPI Racing axles. Max out the strength of your Savage with these Super Heavy Duty Axles.

HPI Optional Nitro 3 Stainless Steel Suspension Shaft Set for the Nitro RS4 3.