| Traxxas short crankshaft version of the Traxxas TRX-15 Pro engine is made of ABC (Aluminum Brass Chrome) Construction. Oversized Machined Aluminum Blue/Silver Anodized Cylinder Head. Channelled Beam Connecting Rod for Improved Oil Flow. Precision Ball Bearings, large-bore, High-Flow Carburetor. Double O-Ring Seals on High and Low Needles. Industry-Standard Mounts and Crankshaft Lengths to fit most applications. INCLUDES: One Assembled Engine With-Out Pull Starter One Air Cleaner (black rubber with black foam element) One Full Instruction Book and Parts Exploded View One "Traxxas" Decal Sheet Installed Glow Plug (standard long--no idle bar) SPECS: According to Traxxas, this engine will produce 20% more power than the TRX-12. Which is approximately 9-11% more power than the OS CZ-Z. These figures are tested on a dyno (loaded) which provides power curves on a computer. Traxxas was not able to provide any numbers on BHP, bore, stroke etc. Keep in mind that these figures are often useless, as they will vary from engine to engine. And there are other variables to consider: the kit, terrain, %nitro in fuel, etc...... ***Mounts the same as an OS .12 and .15 CV*** |