OS Engine .21TM Revo Manifold ABC 11K-R Slide Carb

This is the O.S. Max 21TM Engine with the Revo Manifold. / Direct fit for the 2.5 and 3.3 Traxxas Revo. / / *** Two year limited warranty *** / / FEATURES: Adapts perfectly to the Traxxas E-Z Start or pull-start systems with / no modifications / Included manifold is specially designed to fit directly onto the / Revo / Traxxas' clutch assembly bolts right to the crankshaft with no / modifications / Oversized cooling fins on crankcase helps to keep engine cooler / Three needle slide valve carburetor with fins to help cool the fuel / as it enters the engine / High-performance long reach O.S. LC3 glow plug suitable for off-road / applications that require constantly varying speed / / 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 / / REQUIRES: Installing in vehicle / Air filter / / SPECS: Displacement: 0.21 cu in (3.4cc) / Bore: 0.669" (17mm) / Stroke: 0.590" (15mm) / Practical RPM: 3,000 - 35,000 RPM / Output: 1.8 ps / 29,000 RPM / Weight: 8.57oz (243g) / / Distance between mounting hole centers same side: 0.43" (11mm) / Distance between mounting hole centers opposite side: 1.2" (31.4mm) / Distance from end of crankshaft to drive washer: 1.03" (26.3mm) / Distance from center of engine to front bearing: 1.4" (34.8mm) / Distance/bottom of mounting flanges/top of cylinder head:3.2"(81.2mm) / Width of mounting flanges: 1.5" (39mm) / Length of exhaust flange: 0.24" (6mm) / Height/backplate mount to top of cylinder head: 3.3" (85.3mm)