RC Parts

HPI 8x83mm Heavy Duty Dogbone (Silver) (Savage/Savage X) HPI86152

This is an optional 8x83mm heavy duty rear center dog bone from HPI.

HPI 4.3x6.5mm Ball Stud (4) HPIZ136

This is a pack of four replacement HPI 4.3x6.5mm Ball Studs, and are intended for use with the HPI Nitro RS4 3, Sprint 2, Nitro MT2 G3.0 and MT2 18SS vehicles. 

HPI Thread Shaft M3X102Mm HPI86816

This is a replacement HPI 3x102mm Threaded Shaft. 

HPI 1/4-28x8.5mm Pilot Nut HPI86076

This is the Stock Replacement Pilot Nut for the HPI Savage .21 Truck. This nut holds the flywheel onto the crankshaft.

HPI Super Heavy Duty Driveshaft Outdrive & Axle Set HPI100415

This is the HPI Super Heavy Duty Drive Shaft, Outdrive & Axle Set. This is a standard replacement set for the HPI Savage XL, but is an awesome upgrade for the rest of the Savage family of nitro monster trucks. These will upgrade any HPI Savage truck...

HPI Differential Bevel Gear Set HPIA850

This is the Replacment Diff Bevel Gear Set for the HPI Nitro. This mounts inside the diff and are mounted to the output cups.

LOW SPEED NEEDLE VALVE WITH O-RING HPI15268

HPI Firestorm 10T Spur Gear (50T) HPI86901

This is a replacement HPI Racing 50 Tooth Spur Gear for the Firestorm 10T. 

HPI Differential Gear Set (13/38T) HPIA855

This is a replacement differential final gear set from HPI Racing.

HPI 4 Bevel Gear Differential Conversion Set HPI87193

This is an optional 4 Bevel Gear Differential Conversion Set for the HPI Savage 25 RTR, and Savage SS monster trucks. This is also the same gear set that is included as stock equipment with the Savage Flux. The 4 gear conversion is a popular upgrade,...

HPI Light Weight Mod1 Idler Gear (29T) HPI86275

This is an optional HPI Light Weight Mod1, 29 Tooth Idler Gear, and is intended for use with the HPI Savage, Savage X and Savage Flux monster trucks. This light weight steel idler gear features a thinner profile with lightening holes machined in the face...

HPI 6x19x21mm Cup Joint Set HPI86322

This is a replacement HPI 6x19x21mm Cup Joint. This package also includes a small container of thread lock and grease.