This is a Spinner Adapter Kit by Great Planes.FEATURESAdapter kit for aluminum spinners.This steel adapter kit tightens the backplate & propeller onto the engine, then using a single bolt-on design, holds & centers each spinner perfectly on its baseplate.Machined for accuracy.Detailed instruction printed on the header card.This spinner adapter kit will fit the following engines:SuperTigre S2500-4500Saito FA-300 TwinsINCLUDES(1) Propeller Nut(1) Propeller WasherREQUIREMENTS14mm Wrench To Tighten Propeller NutAn Aluminum Spinner w/Center Mounting Hole10-32 BoltSPECIFICATIONSShaft Size: M10-1.25Prop Nut Length: 1-1/2" (38mm)COMMENTSAluminum backplate bushing is not required with this engine.
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