Traxxas short crankshaft is construted of ABC (Aluminum Brass Chrome) donstruction.
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
This package includes:
One Assembled Engine With 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)
A 1/10 scale kit to put it into and 5%-20% Glow Fuel.