Traxxas TRX 3.3 Racing Engine

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The new Traxxas TRX 3.3 engine boasts some big improvements in power over the 2.5 engine.  With a larger 3.3cc (.20 cu.in.) displacement, this high output engine cranks out 60% more peak power and boasts nearly 50% more power under the entire Power vs RPM curve! 

Here's a summary of features on the Traxxas TRX 3.3 engine:

• Extreme power output in a RTR engine.
• 60% more peak torque than the TRX 2.5.
• Nearly 50% more total power under the curve.
• Consistent and smooth throughout the power band.
• Engine design gives straight through exhaust flow. 
• Composite slide carburetor insulates from heat.
• Push-button EZ-Start™ electric starting system.
• TRX Integrated Pilot Shaft (one pieces) crankshaft.
• Knife edge connecting rod slices through the air easier.
• Long rod engine design.
• Offset piston wrist pin.
• Smooth tubular header for high flow.
• Large machined aluminum blue anodized cooling head
• Molded head protector helps protects the cooling head
• Head protector is fastened with screws so it stays on secure.
• High flow air filter offers good protection and high performance.
• O-ring exhaust gasket helps eliminate exhaust leaks.
• Super lightweight piston and rod help the TRX 3.3 spin up.
• Square reciprocal geometry with equal bore and stroke.
• High performance ball bearings allow high power and long life.
• 100% drop-in compatibility with TRX 2.5 equipped models.