4868ac01 (Inv) Engine, Smooth Large, 1 x 2 Thin Top Plate with Light Gray Center (4868a / 4869) Parts: Aircraft
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4868bc01 (Inv) Engine, Smooth Large, 2 x 2 Thin Top Plate with Light Bluish Gray Center (4868b / 4869) Parts: Aircraft
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4869 Engine, Smooth Large, Center with Fan/Gear and Axle End Parts: Aircraft
hight is not measurable in studs, the engines are less than 2 high, not 2.5 ,
so the current stud dimensions are incorrect, packing dimensions of 4868a are
correct, just submitted for ac01 and bc01