Traxxas multi shaft racing engines for all TRX2.5 and TRX 3.3 equipped vehicles. Pull starter can be removed to install the EZ Start 60% more peak power than the TRX2.5, with nearly 50% more power under the curve for strong linear acceleration Rear exhaust with one-piece IPS crankshaft Composite body slide valve carburetor witt high-volume air filter Blue anodized aluminum cooling head with molded head protector

INCLUDES: Traxxas TRX 3.3 Multi Shaft Racing Engine with Pull Starter

Bump starter or starter box of modeler's choice