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Traxxas TRX 2.5R Racing Engine
This is a Traxxas TRX 2.5R Racing Engine. The TRX 2.5R features the Powertune machined aluminum cooling head that promotes even heat distribution for stable engine temps and rock-solid tuning consistency. Other mods include a new sleeve for improved engine efficiency and better power.
• 60% More Power
• Straight-Through Exhaust Flow
• Slide Carburetor
• TRX IPS Crankshaft
• Long Rod Design Knife Edge Connecting Rod w/Offset Wrist Pin
• Smooth Tubular Header
• Cast Cylinder Head w/Molded Head Protector
• High-Volume Air Filter
• O-Ring Exhaust Gasket
• Super Light Piston and Rod
• Square Reciprocal Geometry
• High Performance Ball Bearings