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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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337-360 of 1605 Results

    Screw Set (8): 18TZ-TX

    $9.85

    Clearance Sale!

    Slide Valve 12F3: T1201 Speed

    $11.71$39.05

    Clearance Sale!

    Carburetor 21M2-B: Speed R2101

    $152.36

    Clearance Sale!

    Carburetor Body: #21C

    $24.00$79.99

    Clearance Sale!

    Crankcase: R21

    $136.57

    Clearance Sale!

    Crankshaft: 12XZ Speed Spec II

    $35.99$119.97

    Clearance Sale!

    Crankshaft: 28XZ

    $131.09

    Inner Head: 21XZ-R Speed

    $57.96

    Cover Plate: 15CV-A

    $10.99

    Cover Plate: FS-200S-P

    $25.44

    Crankcase: 35AX

    $48.51

    Crankcase Heat Sink: 91HZ

    $29.60

    Clearance Sale!

    Cylinder Head: GF40

    $48.90$163.01

    Clearance Sale!

    Drive Washer: GT55

    $52.69

    Clearance Sale!

    Front Plate: Sirius 7

    $140.04$346.53

    Clearance Sale!

    Cylinder Head Gasket, .2mm: 91HZ

    $7.46

    Clearance Sale!

    Mixture Control Valve 80T: Sirius 7

    $6.33$21.12

    Clearance Sale!

    Muffler Screws L (2): 120AX

    $6.49

    Needle Assembly 80T: Sirius 7

    $11.80

    O-Ring Small: 120Surpass

    $6.49

    Clearance Sale!

    Pushrod Cover: FT-120-240

    $4.58$9.44

    Clearance Sale!

    Piston Pin Retainer P: 40-46

    $6.49

    Piston Pin: FS-91 Surpass

    $10.86

    Piston Ring: GT22

    $25.44

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