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DOUBLE THE REWARDS. DOUBLE THE FUN.

Join or log in to Full Throttle Rewards to earn double through 4/30.

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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73-96 of 1011 Results

    Rear Cover: Sirius 7

    $87.53$150.99

    Tappet Screw: F40-300

    $7.99

    Mixture Control Screw #10ER

    $8.99

    Carburetor Reducer 6.5mm: Speed 21 V-SpecII

    $14.99

    Head Gasket: 0.1, 0.15, R2101 Speed

    $8.99

    Piston Pin: 19XZ-B Speed

    $2.99

    Head Gasket: 30VG

    $6.99

    Inner Head O.S.Speed B21 Adam Drake II

    $51.99

    O.S. Carburetor Body 12F5(B) Speed T1203

    $49.99

    Cylinder Head: 65AX

    $43.99

    Needle Holder #7H #7M #7L

    $10.99

    Assembly Screw: 55AX

    $8.99

    Carburetor Body: 21J3

    $29.31$51.99

    Needle Metering 21M: 21XZ-R VII

    $6.99

    Cylinder Liner: GGT10

    $60.99

    Piston Ring: FS-120 III

    $24.99

    Crankshaft: 75AX

    $57.99

    Choke Valve: WLA-2, GT55

    $5.99

    Rocker Cover Retaining Screws: FS-200S

    $8.99

    Connecting Rod: FS81 Alpha

    $11.99

    Crankcase: GT33

    $89.99

    Outer Head: B2102 Speed

    $97.99

    O-Ring Muffler Gasket F6020: FS155A-P

    $6.99

    Screw Set (10): 46AX 55AX

    $8.99

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