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Spark plug is not included
Two Cylinder Stirling Engine Kit Physics Experiment Generator Model
four-speed gearbox is suitable for different speed models
width 29mm
Servo: 9KG metal gear
OS SPEED R2104 1/8 On-Road Engine Level 21 3.49cc Methanol Engine Teching Spark plug is not includedOS SPEED R2104 1 8 On Road Engine Level 21 3. 49cc Methanol Engine Features: . Manufacturer's original genuine engine, specially developed for 1 8 racing car . The new engine has a 9 port piston bushing to increase torque in the low to medium power range, and it produces enough power even on high traction tracks . Redesigned crankshaft weights for smooth power transition from low to high . The distance between each heat sink of the heat sink has been
