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REDS

REDS 321 Estremo X-Line 3.5cc (.21) Off-Road Nitro Engine

REDS 321 Estremo X-Line 3.5cc (.21) Off-Road Nitro Engine

Regular price $589.99 USD
Regular price Sale price $589.99 USD
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The REDS 321 Estremo X-Line is a 3.5cc (.21) off-road nitro engine with a 3-port design, AirBoost DLC-coated backplate technology, and Venturi XFlow intake system. This engine includes pre-break-in service by Mario Rossi.

Features

  • Advanced 3-port off-road engine design
  • Strong bottom-end torque and acceleration
  • Optimized cylinder and sleeve internal flow channels
  • Ultra-lightweight piston design
  • AirBoost DLC-coated backplate technology
  • DLC-coated double-balanced crankshaft
  • Improved carburetor design
  • Venturi XFlow intake system
  • Ultra-lightweight high-efficiency cooling head
  • Pre-Break In By Mario Rossi

Specifications

  • Displacement: .21 cu.in (3.5cc)
  • Recommended Application: 1/8 Off-Road
  • Bore: 0.65in (16.4mm)
  • Stroke: 0.65in (16.4mm)
  • Intake Ports: 3
  • Exhaust Ports: 1
  • Carburetor Type: VLX3-A Aluminum Long Needle
  • Glow Plug: REDS TS3/TS4
  • Recommended Fuel: 25–30% Nitro, 8–10% Oil
  • Break-In Fuel: 12% Oil
  • Weight: 12.17oz (345g)

Includes

  • (1) REDS 321 Estremo X-Line Off-Road Nitro Engine w/Pre-Break In By Mario Rossi

Compatibility Note

The Estremo line of engines are not compatible with S Line Exhausts, manifolds, gaskets, backplates piston/sleeve/conrod set and spring sets. Please check accessory compatibility before purchase.

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