FX Royal Racing Engines 5K DC Combo

MSRP: $649.00
Your Savings: $60.00 (9.24%)
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This is the FX Royal Racing Engines 5K DC .21 5-Port Off-Road Competition Buggy Engine. The FX Engine is a high-precision, high performance nitro engine intended for competitive off-road vehicle use. All the finest engineering and craftsmanship has gone into the concept, design, creation and finishing work of the FX Engine.

This engine and all of its parts were designed and manufactured by FX in-house in Slovakia, Europe from all the finest European materials and using the most advanced Swiss German technologies. Even the crankcase was die cast in house using a fully robotic die casting technology. All the products are individually measured and inspected and all of the important dimensions of every part are recorded so there is a full record of every single part being manufactured and assembled. The engine even includes an engine birth certificate which shows all the important serial numbers and measurements so that, at anytime, all details of the production including the batch of material, machine programs, responsible craft persons and production dates can be tracked back to its roots.


  • 5-Port Competition High Performance Power
  • Ceramic Main and Rear Bearings
  • 14mm High Precision Crankshaft 
  • CNC Machined Silicium Piston
  • Every Part Designed and Manufactured in Slovakia, Europe
  • Engine Birth Certificate Included

Bore: 16.26mm
Stroke: 16.80mm
Weight: 349g
Max. Power: 2.65 HP @ 33,000 RPM
Practical Range: 4,000-39,000 RPM
Ports: 5 Transfer Ports
Piston: CNC Machined Silicium
Sleeve: CNC Machined Brass, Hard Chrome Plated
Front Ball Bearing: 7x19mm Ceramic
Rear Ball Bearing: 14x25.8mm Ceramic
Crankshaft: 14mm
Carburetor: Alloy Body w/ Thermal Isolation; 3-needle w/ Modular Venturi
Glowplug Type: X3
Exhaust Position: Rear


FX Royal Racing Engines EFRA 2108 Tuned Pipe. This polished pipe is EFRA approved and is recommended for applications that require more bottom end power. The FX 2100 Tuned Pipe (FXE659501) is recommended for higher RPM applications. 

Recommended Manifolds:

  • FXE659704: Medium Manifold

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