This new engine has been updated from the already popular 21-4 Team Edition, incorporating their usual high standards for quality and performance. During the 1/8th scale buggy World Championship held earlier this year the companies team drivers did extensive test work, making this already good engine even better. Displacement: 3.5cc Max. power: 2.60 hp R.P.M (Max. power): 35,800 Practical RPM Range: 6,000-38,300 Crankshaft: Turbo SG Carburetor Material: Plastic Carburetor Type: Slide Carburetor Adjustment: Single Glow Plug: Turbo - C6TGC Exhaust: Rear Rear / Front Bearing: Steel Engine Is Factory Tuned