721 SUPERVELOCE PRO-X Factory Team™
The Champion's Engine: Celebrating a Year of Success

The 721 SUPERVELOCE PRO-X Factory Team™ engine is here! Designed to reflect the pinnacle of REDS Racing's innovation, this engine is a testament to our team's success and dominance throughout 2024:
TQ - 2nd & 3rd place at 2024 IFMAR Worlds: Boots, Canas
TQ & WIN at 2024 European Championship: Canas
Dirt Nitro Challenge Win: Boots
Silverstate Win: Canas
Italian Race Win: Boots
Amain Challenge Win: Rivkin
TQ & 2nd Truggy Roar Nats: Fuller
TQ, 2nd & 3rd Euros Warm-up: Boots, Canas
TQ & 2nd - Montpellier GP: Canas
This engine comes equipped with the same cutting-edge technical features that powered our team to victory on the world’s toughest tracks.
Revolutionary Design by Mario Rossi
Each 721 SUPERVELOCE PRO-X Factory Team™ engine benefits from the expertise of Mario Rossi, ensuring unmatched performance:
Ultra Tuned Crankshaft and Sleeve: Special tuning by Mario Rossi significantly increases engine power while maintaining excellent fuel mileage. The crankshaft is hand-rebalanced to minimize vibration at high speeds.
RTX Rotating Backplate: Reduces friction between the connecting rod and backplate, improving stability at idle, boosting engine power, and optimizing fuel efficiency for extended runtime.
New Cooling Head Design: Features a lower center of gravity for enhanced car handling, superior aerodynamics for reduced drag, and improved cooling efficiency.
High-Protection Bearings: Includes a double-seal front bearing for durability and stability, along with a 9-ball rear ceramic bearing for reliability under extreme conditions.
Performance Tailored for Champions
The 721 SUPERVELOCE PRO-X Factory Team™ engine is built for competitive racing, combining raw power with smooth drivability:
Linear Power Delivery: Thanks to the Extra Tuning by Mario Rossi, the engine offers exceptional drivability while delivering top-tier performance.
Optimized for Buggy: Designed for 1/8 scale vehicles, this engine excels on tracks where power is the key to success.
Fuel Efficiency: Our primary goal was to develop a high-speed engine capable of exceptional fuel mileage, setting it apart from competitors by ensuring fewer pit stops and consistently longer runtimes on the track.
Available Models
ENBU0039R: 721 PRO-X Factory Team™
ENBU0039RB: 721 PRO-X Factory Team™ - Pre Break-In Service by Mario Rossi
Technical Specifications
Feature | Details |
Category | 1/8 Buggy |
Displacement [cm³] | 3.5 |
Bore [mm] | 16.2 |
Stroke [mm] | 16.9 |
Inlet Ports | 7 |
Outlet Ports | 1 |
Front Bearing | 7x19x6 Double Seal |
Rear Bearing | 14x25.4x6 9 Balls High-Durability Ceramic |
Carburetor Diameter [mm] | 7.0 (Options: 6.0, 6.5, 7.5, 8.0) |
Carburetor Type | VCX3-A Aluminum Short Needle |
Weight [g] | 345 |
Fuel Consumption [min] | > 9:00 |
Operating Temperature [°C] | 110-130 |
Recommended Accessories
To maximize the performance of your 721 SUPERVELOCE PRO-X Factory Team™ engine, we recommend pairing it with:
Glow Plug: REDS TS4
Exhaust System: 2113 X-ONE Torque Pipe
Fuel: 16-30% nitro, 8-10% oil
Break-In Fuel: 12% oil
Why Choose the 721 SUPERVELOCE PRO-X Factory Team™?
The 721 SUPERVELOCE PRO-X Factory Team™ engine represents the pinnacle of REDS Racing technology. Whether you're aiming for victory on the world stage or dominating your local track, this engine is your ultimate choice for:
Unparalleled power and performance.
Innovative features designed for reliability and drivability.
Proven success with REDS Racing’s championship-winning team.










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