FX Engines K501 DLC .21 5-Port Off-Road Buggy Engine w/Ceramic Bearing (Turbo)

FX Engines K501 DLC .21 5-Port Off-Road Buggy Engine w/Ceramic Bearing (Turbo)
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Price: $379.99
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This is a FX Engines K501 DLC .21 5-Port Off-Road Competition Buggy Engine with Ceramic Bearings. 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. Designed for providing maximum power at low speed and mid range, this engine sports a DLC coated, tungsten balanced crankshaft, a specially selected and matched sleeve and piston set, and ceramic bearings to ensure longevity and durability.

  • 5 Port
  • Maximum Bottom & Middle Power
  • DLC Coated Crankshaft
  • Tungsten balanced crankshaft
  • Ceramic ball-bearing
  • Specially selected & matched sleeve/piston set
  • 10 Ribs Engine head
Displacement: 3.5cc 
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 


  • X3 glow plug
  • Exhaust gasket
  • Cylinder-head shim
  • Carburetor venturi
  • 3mm dust cap 
  • 6mm dust cap
  • 16mm dust cap
  • 18mm dust cap 

Friday, Aug 7 2020 (4 months ago)
FX Engines K501 DLC .21 5-Port Off-Road Buggy Engine w/Ceramic Bearing (Turbo)
I got this as a gift. I’ve tried all the main brands. For the price this is definitely the best.