STS Engines Competition Team Engine Cylinder Contents : 2.11cc Bore: 13.80mm / Stroke: 14.00mm Crankshaft : 12mm SG Type Carburetor : 3 Needles Slide 5.4 mm Piston / Sleeve : ABC 3P Glow-plug : Turbo Use : 1/10 on-road Factory Custom Modified by Team STS