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SHIFT INTO OVERDRIVE

Full Throttle Rewards | VIP perks, exclusive deals & more

NEW & IN STOCK

Available now and ready to ship

LEVEL UP YOUR REWARDS

Horizon Hobby Visa | Shop more. Earn more. No annual fee.

O.S. Engines

O.S. Engines

Quality and performance has made O.S. the standard in RC engines for over 80 years.

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961-984 of 1011 Results

    Cylinder & Piston: 25FX

    $32.99

    Fuel Inlet: #61B, 91HZ

    $10.99

    Needle Valve Assembly 61H: GT15

    $15.99

    Mixture Control Valve: 12F2

    $12.99

    Piston: GGT10

    $44.99

    Muffler Extension: 761, 871

    $12.99

    Reduction Gear Bearing: FR5

    $8.90$14.99

    Manifold Seal: FT-120-300

    $13.99

    M11 In-Cowl Exhaust Header Pipe Inverted 80D: FS72A

    $28.99

    Muffler Screws L (2): 120AX

    $5.99

    Valve Throttle WLA-2: GT55

    $5.99

    Air Bleed Screw: FS-20, FS-40

    $1.99

    Carburetor Retainer: 21EX-B, R

    $8.99

    Speed Flywheel Puller

    $42.99

    Speed Flywheel Key

    $28.99

    CYLINDER/PISTON SET O.S. MAX-B21

    $97.99

    Cylinder & Piston Assembly: O.S. Speed R2105

    $186.99

    Outer Head: O.S. Speed R2105

    $129.99

    O.S. Speed B21 Ronda Drake Edition 2 3.49cc Nitro Engine with Muffler Set

    $945.99

    O.S.SPEED B2105 COMBO SET

    $917.99

    CYLINDER/PISTON/ROD SET: OS SPEED B2105

    $209.99

    Main Metering Needle (2 oring): 21M3(B) Speed R2105

    $8.99

    Outer Head: O.S. Speed B21 Ronda Drake Edition 2

    $97.99

    CYLINDER/PISTON/ROD SET: O.S. MAX-B21

    $126.99

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