Parts/Engines & fuel/Nitro & glow engines/Nova Engines X9R X-Treme V2 .21 (3.5cc) 9-Port On-Road Nitro Engine (DLC Shaft) (Purple)
Nova Engines X9R X-Treme V2 .21 (3.5cc) 9-Port On-Road Nitro Engine (DLC Shaft) (Purple)
Nova Engines

Nova Engines X9R X-Treme V2 .21 (3.5cc) 9-Port On-Road Nitro Engine (DLC Shaft) (Purple)

Part # NVE5003016V2
Where to buy
$589.99
AMain Hobbies
Seen Oct 12, 2026
$589.99Buy
Prices are as last seen at the store; stock is not tracked.

About this part

On-Road 9-Port Performer!

The Nova Engines X9R X-Treme V2 .21 (3.5cc) 9-Port On-Road Nitro Engine is a high-performance powerhouse built for serious 1/8 scale racing. Engineered with precision and advanced materials, it delivers exceptional power, efficiency, and consistency on the track. Designed for competitive drivers, this engine combines refined internal components with cutting-edge design for optimal performance.

About the X9R X-Treme V2 On-Road Nitro Engine


Advanced 9-Port Performance Design

At the heart of the X9R X-Treme V2 is a 9-port configuration paired with a flat head piston, delivering smooth yet aggressive power delivery across the RPM range. The triple-adjustment carburetor allows precise tuning for different track conditions, giving racers maximum control over performance. A 9mm low-profile venturi enhances airflow efficiency, improving throttle response and fuel delivery. This combination ensures strong acceleration and consistent performance lap after lap.

High-End Materials & Internal Components

The engine features a balanced, DLC-coated crankshaft designed to reduce friction and increase durability under high loads. Rear ceramic bearings further enhance efficiency and longevity, providing smoother rotation and improved reliability. The Evo vacuum high-pressure injected crankcase optimizes internal airflow dynamics for increased power output. These premium components work together to deliver a refined, race-ready engine package.

Optimized Cooling & Race-Ready Features

A redesigned cooling head improves heat dissipation, helping maintain stable operating temperatures during intense racing conditions. The turbo head button and turbo backplate are engineered for enhanced combustion efficiency and performance consistency. Every detail of the engine is built with racing in mind, from thermal management to structural integrity. The result is a dependable, high-performance engine ready for competitive on-road racing.

Features:

  • 3.5cc (.21) displacement
  • 9-port performance design
  • Flat head piston configuration
  • Triple-adjustment carburetor
  • Balanced DLC-coated crankshaft
  • Rear ceramic bearings
  • Evo high-pressure injected crankcase
  • 9mm low-profile venturi
  • Turbo head button and backplate
  • Redesigned cooling head

Includes:

  • (1) X9R X-Treme V2 .21 (3.5cc) 9-Port On-Road Nitro Engine (DLC Shaft)

Specifications:

Displacement .21 cu.in (3.5cc)
Recommended Application 1/8 On-Road
Bore 0.62in (15.94mm)
Stroke 0.68in (17.5mm)
Practical RPM Range 4,000-45,000
Recommended Fuel -
Weight -
CA Residents Prop 65 Warning WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Details...

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