If Pure Grunt is Whats Is Needed Then Look No Further Than The New STS .30 Size Monster Truck Engine
D30M (#3001*) Monster Truck Engine Cylinder Contents 4.91cc Bore: 19.30mm / Stroke:16.80mm Crankshaft : 14mm SG type Carburetor: 2 Needles Slide 9 mm Piston / Sleeve: ABC 5P Glow-plug : Standard Use : 1/8 buggy;1/8 Monster Truck Manual Download
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