FOAM FRENZY SALE

Save up to $50 on select RC Aircraft!

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Full Throttle Rewards | VIP perks, exclusive deals & more

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FOAM FRENZY SALE

Save up to $50 on select RC Aircraft!

SHIFT INTO OVERDRIVE

Full Throttle Rewards | VIP perks, exclusive deals & more

NEW & IN STOCK

Available now and ready to ship

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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697-720 of 1011 Results

    Needle High Speed WLA-2: GT55

    $5.99

    Metering Needle 12F2: 12XZ Speed Spec

    $5.74$13.99

    Metering Needle Assembly: 21VZB (P) V-Spec 21C

    $13.99

    Front Bearing: 40-240

    $14.99

    Carburetor Body: #70C

    $78.99

    Choke Valve: WLA-2, GT55

    $5.99

    Cylinder Liner: FS110A

    $25.99

    Nipple #7: FS-52 Supass

    $5.99

    O-Ring Large: 120Surpass

    $5.99

    Standoff 5x19.1mm 3/4" (4): GT55

    $34.99

    Main Shaft: OMA-2815-1100

    $1.99

    Throttle Lever: 120Surpass

    $5.99

    Muffler Extension 35mm: E-402

    $16.99

    Motor Mount: 25LA

    $39.99

    Air Bleed Screw: FS-20, FS-40

    $1.99

    Air Bleed Screw: FL70

    $1.99

    Front Bearing: 12-300

    $14.99

    Rear Bearing: 50SX-H, 55HZ, 55AX

    $24.99

    Outer Head O.S. Speed R2106

    $120.99

    Crankcase: 55AX

    $63.99

    Crankcase: Sirius 7

    $311.99

    Valve Adjustment Kit: 4-Stroke

    $12.99

    Exhaust Pipe: 40-300

    $5.99

    Head Gasket: GT33

    $11.99

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