As an Amazon Associate, we earn from qualifying purchases. OS Engines O.S. Cylinder Piston Rod Set Speed B2103 Type R | Tower Hobbies O.S. . OSMG4789 Attributes Brand name, Manufacturer name, ManufacturerO.S. Extra Product NameOS Engines O.S. Cylinder Piston Rod Set Speed B2103 Type R | Tower Hobbies extendedQty, qtyInStock0 moq, multiple1 MPNOSMG4789 qtySourceupdateFromUrlEntry Distributor offers SellerSKUMOQIn stockMultiplePrices Tower HobbiesOSMG102011