Cast metal Hex Wheel Hubs are now available for the RS4 MT line of nitro and electric trucks from HPI Racing. These metal parts replace the stock plastic hubs for a strong and secure wheel mounting system. The cast metal design resists deformation, allowing the wheel nut to...
Available from HPI Racing is a Heavy-Duty Final Gear Set for Nitro RS4 3 touring cars. These are standard replacement parts for the high performance Nitro RS4 3 18SS, 18SS+ and Nitro RS4 3 Evo + cars, and can be installed on the standard Nitro RS4 3 for increased drivetrain...
Slide Valve for K4.6 Engine
Crankshaft for Nitro Star K4.6 Engine.
SLIDE CARBURETOR MAIN BODY (COMPOSITE) FOR NITRO STAR K4.6 ENGINE
CYLINDER/PISTON AND CONNECTING ROD SET (ASSEMBLED/K4.6)
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