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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
5x 4 x 455mm x 1 set
0mm Flat Screwdriver x1
THIS ITEM SHIPS IN 2-3 BUSINESS DAYS
Width: 50mm
7:1 gear ratio optimized for 550–580 mm blades
O.S.Speed 91HZ-R 3D Helicopter Engine Adhesives 5x 4 x 455mm xFollowing the popularity of the 91HZ R with on demand regulator, O. S. has now taken high performance, high speed helicopter engines to the next stage of evolution. Features: Lightweight, machined heat sink head Big bore carburettors best suited for the intended use (F3C or 3D) Best precision advanced exhaust cylinder timing (for F3C or 3D) Newly designed combustion chambers, shaped to match the big bore carburetors and advanced exhaust cylinder
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