Traxxas trx 2. 5 nr, ns, nsport upgrade kit38-4400
description:
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. Detailed instructions are included.  engine sold
replacement part for these models:
trx2. 5r
trx3. 3