This is the O.S. Max 21TM Engine with the Revo Manifold. This Engine is a direct fit for the Traxxas Revo 2.5 and Revo 3.3.
This engine is a direct fit for the Traxxas Revo and adapts to the Traxxas E-Z Start or pull system without any requires modifications or upgrades. This engine retrofits into the same mounting pattern, and the Traxxas clutch assembly bolts right on.
Includes: One O.S. Max 21TM Engine with Revo Manifold, LC3 glow plug, 11K slide valve carburetor, manifold spring, rubber exhaust gasket, sticker sheet and instruction manual
Installing in vehicle