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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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265-288 of 1011 Results

    Needle Assembly #10E

    $16.99

    O-Ring Small #2K IFN

    $5.99

    Mid Bearing: 120-240

    $34.99

    Carburetor Body: #20H

    $6.99

    Carburetor Retainer: #61B, 91HZ

    $11.99

    Choke Valve: 120-300

    $34.99

    Connecting Rod: 35-40FP, 40 LA

    $14.99

    Cylinder Head: 65AX

    $43.99

    Cylinder Liner: 95AX

    $83.99

    Bubbleless Clunk

    $14.99

    Intake Manifold Set: Sirius 7

    $8.84$14.99

    O-Ring PRC: 120Surpass

    $5.99

    Piston Pin Retainer: 81VR-M

    $5.99

    Piston Pin: 32SX-H

    $11.99

    Piston Pin Retainer: GT33

    $6.99

    Piston Pin: 60-61FSR SX

    $8.99

    Rocker Cover, Black: FSa-56II

    $5.76$8.99

    Standoff 5x44.5mm 1-3/4" (4): GT55

    $40.99

    Thrust Washer Rear 30Wankel

    $5.99

    Valve Spring Retainer: 90-300

    $5.99

    Valve Spring Exhaust: FS-120 Surpass

    $5.99

    Crankcase: 55AX

    $63.99

    Crankcase: Sirius 7

    $311.99

    Cylinder Head: 46AXII

    $22.99

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