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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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313-336 of 1011 Results

    Screw Set Speed (10): 21 V-Spec

    $3.99

    #5 Recoil Starter Body

    $21.99

    Ball Link No.5 18TM

    $12.99

    Pre-Order

    Carb Reducer 6.3mm Black

    $12.99

    Carburetor 21M: 21XZ-R VII

    $70.99

    Crankshaft: 25XZ

    $34.50$59.99

    Needle 3 (21M)

    $12.99

    Carburetor Complete 21M4(B) W/O Reducer

    $171.99

    Slide Valve 2 (21M)

    $17.99

    Piston/Sleeve/Rod set: O.S. SPEED R2106

    $274.99

    Heatsink Head 55HZ.HZ-R

    $72.99

    Cylinder Liner 91HZ-R Speed 3D

    $116.99

    Cover Plate with BPS-1 Mount: 55HZ-R

    $19.99

    Cylinder Head: FS-120 Surpass III

    $94.99

    Cylinder Jacket: Sirius 7

    $35.01$69.99

    Carburetor Gasket: GT60

    $8.99

    Needle Ext Cable: FR5 300

    $6.99

    Pilot Shaft: GT55

    $11.99

    Piston: 91HZ

    $93.99

    Piston Ring: GT15HZ

    $22.99

    Pushrod: FT-160

    $16.99

    Rocker Arm Assembly: FS-70 Ultimate

    $12.99

    Standoff 5x12.7mm 1/2" (4): GT55

    $34.99

    Main Shaft: 3805-1200

    $2.99

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