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Turbofan Engine Model Kit that Works - Build Your Own Turbofan Engine - TECHING 1/10 Full Metal Dual-Spool Turbofan Engine Aircraft Engine Model 1...

TOYAN Engine FS-B400 14cc Flat-four Engine Horizontal Opposed 4 Cylinder Four-Stroke Nitro H4 Engine Model - KIT & Pre-assembled Version Fl...

RETROL R34 OHV 4.2CC V-Twin Four-Stroke Gasoline Engine Mini Retro Motorcycle Internal Combustion Engine Model Features: 1.This is a miniature gaso...