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Traxxas 4400 .15 to 2.5 Upgrade Kit
Kit makes it easy to upgrade your .15 nitro-powered vehicle to the awesome power of the 2.5R racing engine
Includes header, pipe, pipe hanger, coupler, linkage, and additional components specific to each model
Major components come pre-assembled and pre-adjusted from the factory
Detailed instructions are included
Use Traxxas stock and hop-up replacement parts to get the most out of your Traxxas RTR vehicles
Traxxas makes it easy to upgrade TRX Pro .15 nitro-powered models to the awesome power of the new TRX 2.5 Racing Engine. All the necessary hardware to bring older Traxxas models up to full TRX 2.5 spec is included such as: header, pipe, pipe hanger, coupler, linkage, and additional components specific to each model. Major components come pre-assembled and pre-adjusted from the factory. Just bolt them on! Detailed instructions are included. TRX 2.5 Racing Engine (model 5207) sold separately. Use Traxxas stock and hop-up replacement parts to get the most out of your Traxxas RTR vehicles. This product is made from high quality materials and designed for long-lasting performance. This is replacement hardware for use on Traxxas vehicles; consult your user's manual for exact parts listings.