O.S. Engines

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Quality and performance has made O.S. the standard in RC engines for over 80 years.
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289-312 of 1,812 Results
Valve Collet: FS-120 Surpass Valve Collet: FS-120 Surpass
5 out of 5 Customer Rating
Valve Collet: FS-120 Surpass
$10.86
Venturi: 55HZ, 105HZ Venturi: 55HZ, 105HZ
4 out of 5 Customer Rating
Venturi: 55HZ, 105HZ
$22.04
Dust Cap Set, 18mm (3) Dust Cap Set, 18mm (3)
3.2 out of 5 Customer Rating
Dust Cap Set, 18mm (3)
$11.91
Head Gasket: 0.1, 0.15, R2101 Speed Head Gasket: 0.1, 0.15, R2101 Speed
4 out of 5 Customer Rating
Head Gasket: 0.1, 0.15, R2101 Speed
$10.94
Metering Needle Assembly 18TM Metering Needle Assembly 18TM
3.6 out of 5 Customer Rating
Metering Needle Assembly 18TM
$16.09
Piston Pin: 19XZ-B Speed Piston Pin: 19XZ-B Speed
3.6 out of 5 Customer Rating
Piston Pin: 19XZ-B Speed
$8.61
Screw Set (8): 15CV-A Screw Set (8): 15CV-A
5 out of 5 Customer Rating
Screw Set (8): 15CV-A
$9.44
Inner Head O-Ring O.S. T1204 (S30-FKM) Inner Head O-Ring O.S. T1204 (S30-FKM)
5 out of 5 Customer Rating
Inner Head O-Ring O.S. T1204 (S30-FKM)
$9.89
Carburetor 21M2-B: Speed R2101 Carburetor 21M2-B: Speed R2101
3.4 out of 5 Customer Rating
Carburetor 21M2-B: Speed R2101
$152.36
Carburetor Reducer, 6.5mm: OS Speed B21 Pink Rhonda Drake Edition Carburetor Reducer, 6.5mm: OS Speed B21 Pink Rhonda Drake Edition
5 out of 5 Customer Rating
Carburetor Reducer, 6.5mm: OS Speed B21 Pink Rhonda Drake Edition
$22.11
T-2080SC II Tuned Silencer Complete Set T-2080SC II Tuned Silencer Complete Set
4.4 out of 5 Customer Rating
T-2080SC II Tuned Silencer Complete Set
$270.89
Carburetor Body: #21C Carburetor Body: #21C
5 out of 5 Customer Rating
Carburetor Body: #21C
$79.99
Crankshaft: 12XZ Speed Spec II Crankshaft: 12XZ Speed Spec II
4.4 out of 5 Customer Rating
Crankshaft: 12XZ Speed Spec II
$119.97
Crankcase: R21 Crankcase: R21
4 out of 5 Customer Rating
Crankcase: R21
$136.57
Crankshaft: 28XZ Crankshaft: 28XZ
4 out of 5 Customer Rating
Crankshaft: 28XZ
$131.09
Cylinder/Piston/Rod: B2101 Speed Cylinder/Piston/Rod: B2101 Speed
3.2 out of 5 Customer Rating
Cylinder/Piston/Rod: B2101 Speed
$242.95
Inner Head: 21XZ-R Speed Inner Head: 21XZ-R Speed
3.6 out of 5 Customer Rating
Inner Head: 21XZ-R Speed
$57.96
Carburetor Reducer 8mm, Red: Speed 21 V-Spec Carburetor Reducer 8mm, Red: Speed 21 V-Spec
4 out of 5 Customer Rating
Carburetor Reducer 8mm, Red: Speed 21 V-Spec
$21.10
Carburetor Reducer 8mm, Blue Carburetor Reducer 8mm, Blue
4.2 out of 5 Customer Rating
Carburetor Reducer 8mm, Blue
$21.10
RP8 Turbo Glow Plug, On-Road, Cold RP8 Turbo Glow Plug, On-Road, Cold
4.8 out of 5 Customer Rating
RP8 Turbo Glow Plug, On-Road, Cold
$15.99
M1006SC Manifold M1006SC Manifold
3.6 out of 5 Customer Rating
M1006SC Manifold
$71.60
TR02 Tuned Silencer EFRA2165 TR02 Tuned Silencer EFRA2165
5 out of 5 Customer Rating
TR02 Tuned Silencer EFRA2165
$184.82
Rear Bearing: 12TR Rear Bearing: 12TR
5 out of 5 Customer Rating
Rear Bearing: 12TR
$61.99
Carburetor Retainer: 12CV Carburetor Retainer: 12CV
4.8 out of 5 Customer Rating
Carburetor Retainer: 12CV
$11.87
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