TRX 3.3 Engine Multi-Shaft w/Recoil

TRX 3.3 Engine Multi-Shaft w/Recoil by Traxxas Radio ControlItem Number: TRX5409 * Knife-edged connecting rod* TRX IPS crankshaft* Push-button EZ-Start electric starting system* TRX composite slide carburetor* Straight-through exhaust flow* Consistent and smooth throughout the entire power band* Nearly 50% more total power under the curve* 60% more peak horsepower than the TRX 2.5* Extreme power output* Long rod design* Offset wrist pin* Smooth tubular header* Large aluminum blue-anodized cooling head* Molded head protector protects the cooling head from damage* Head protector is securely fastened with screws* High-volume air filter does not restrict air intake* O-ring exhaust gasket* Super-light piston and rod* Square reciprocal geometry* High-performance ball bearings* 100% drop-in compatibility with TRX 2.5 equipped modelsTraxxas TRX Racing Engines are fueled by a passion for performance, innovation and quality. Traxxas engineers are dedicated to redefining the state of the art in engine technology. This includes listening to our customers, and developing new standards and conventions that would meet the performance challenge.The TRX 3.3 Racing Engine draws from a legacy of precision Traxxas engine design and manufacturing. Traxxas has always been at the forefront of innovation, beginning with the powerful and reliable TRX Pro.15. Next, the Traxxas EZ-Start system ushered in a new era of convenience and ease of use with true, push-button electric starting. EZ-Start later evolved to incorporate built-in diagnostic functions, LED indicators, a constant-voltage glow plug circuit, and more powerful starter motors. Then came the TRX 2.5, a marvel of award-winning power and technology that sent the bar for Ready-To-Race performance to unimaginable new heights.The TRX 3.3 produces an extreme 60% more peak horsepower compared to the TRX 2.5! The overall power under the curve is nearly 50% greater to deliver the smooth, linear power output TRX engines are famous for. The TRX 3.3 Racing Engine offers thoroughbred race engine performance that_s absolutely second to none. There_s no penalty to pay for having more power either. The TRX 3.3 Racing Engine is equipped with EZ-Start push-button electric starting and simple, reliable tuning from the two-needle composite slide carburetor.This is not the stock replacement for the 3.3 Revo or T-Maxx. Use TRX5407 for stock replacement