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●Socket collar screw x 2(M3x19mm)
Instruction: Specification: Use for T-REX 700X
●DS615/655 Rubber Group x 1 (Square rubber x 4/washer x 4/screw x 1)
- Capacity: 4500mAh
●TB70 Belt Pulley × 1●TB70 One-way Casing × 1(Φ20xΦ23
O.S. Speed 91HZ-R 3D Helicopter Engine NOUSPS ●Socket collar screw x 2(M3x19mm)Following 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. Introducing the 91HZ R Speed Engines based on the 91HZ R, factory tuned at the O. S. Japan facilities and guaranteed to blow you away! Features: Lightweight, machined heat sink head Big bore carburettors best suited for the intended use (F3C or 3D) Best precision advanced exhaust cylinder