Euro LS-5 .21 Long Stroke 5-Port Competition Off-Road Engine by ProTek RC (Turbo Plug)

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Frederick, MD

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This product was added to our catalog on February 3, 2017.

The ProTek R/C Euro LS-5 is a 5-port long stroke .21 nitro engine perfect for 1/8 buggy, and great for 1/8 truck. It features a lightweight aluminum R7 conrod, 5 transfer ports, larger bore intake crankshaft, high efficiency large cooling head and a heat-resistant slide carburetor with standard venturi compatibility.

On the power end, the LS-5 produces smooth linear power to ensure fuel efficiency is maximized and your tires and dirt work as one. The LS-5 has another side to it though, producing explosive dirt-spraying bottom end torque, all at a triggers notice.

For a "budget friendly" engine, the LS-5 is the perfect option for all your racing and bashing needs. If you need quality, consistent results, and high performance - without breaking the bank - pick up the the ProTek R/C Euro LS-5.



  • Large efficient cooling head
  • Explosive bottom-end power
  • Smooth and linear power band
  • 5 Transfer port design
  • Long stroke
  • Steel bearings
  • Goes braaap!

Recommended Tuned Pipe Manifold: EFRA 9901 with 41021 Manifold

Displacement: 3.49cc.
Bore x Stroke: 16.26mm x 16.80mm
Transfer Ports: 5
RPM (Max Power): 34,000
RPM (Practical Range): 6,000 - 36,200
Rear Ball Bearing Type: 25.8mm Steel
Crankshaft Type: 14mm SG
Carburetor Type: 8mm Slide
Material: Plastic
Adjustment: Single
Glowplug Type: Turbo - C6T
Exhaust Position: Rear 


  • (1) Euro LS-5 Off-Road Engine
  • (1) C6TGC Turbo Glow Plug
  • (1) High Temp Exhaust Gasket
  • (1) Venturi Set (5.4, 6.0, 6.5 & 7.0mm)
  • (1) Instruction Sheet
Frederick Perkins
Wednesday, Aug 2 2017 (3 weeks ago)
ProTek RC Euro LS-5 .21 Long Stroke 5-Port Competition Off-Road Engine
Ok so, I'm really not a nova guy. I love my OS motors. Bought this as a practice motor for my buggy and now it's my main engine! Very smooth power band. Great top end. 10-12 on a tank of fuel and the idle is the most consistent nova idle I have run!)
christopher Gridiron
Verified Owner
Monday, Aug 7 2017 (2 weeks ago)
ProTek RC Euro LS-5 .21 Long Stroke 5-Port Competition Off-Road Engine
when you buy a motor and you have nothing bad to say about it.. you know the motors the real deal keeping up with os motors where people spend 500 and up on a engine and you can get it for half .. i plan to try the protek os base engine heard it does 14min a tank gotta see if the hype is true lol)