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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937-960 of 1,808 Results
Standoff 5x12.7mm 1/2" (4): GT55 Standoff 5x12.7mm 1/2" (4): GT55
5 out of 5 Customer Rating
Standoff 5x12.7mm 1/2" (4): GT55
$29.49
Complete Carburetor Assembly: (61T2) O.S. FS-64V Complete Carburetor Assembly: (61T2) O.S. FS-64V
3.9 out of 5 Customer Rating
Complete Carburetor Assembly: (61T2) O.S. FS-64V
$153.99
Valve Intake: FS-91 Surpass Valve Intake: FS-91 Surpass
4.7 out of 5 Customer Rating
Valve Intake: FS-91 Surpass
$34.86
Valve Spring: 56 FS Valve Spring: 56 FS
5 out of 5 Customer Rating
Valve Spring: 56 FS
$6.49
Bearing L-1050ZZ Bearing L-1050ZZ
3.3 out of 5 Customer Rating
Bearing L-1050ZZ
$17.99
Main Shaft: 3805-1200 Main Shaft: 3805-1200
3.9 out of 5 Customer Rating
Main Shaft: 3805-1200
$8.99
Propeller Shaft Set: 3815-1000 Propeller Shaft Set: 3815-1000
5 out of 5 Customer Rating
Propeller Shaft Set: 3815-1000
$30.99
80 Degree Exhaust Header: 155FS-a 80 Degree Exhaust Header: 155FS-a
5 out of 5 Customer Rating
80 Degree Exhaust Header: 155FS-a
$48.43
Air Bleed Screw: #10G Air Bleed Screw: #10G
4.5 out of 5 Customer Rating
Air Bleed Screw: #10G
$6.49
Air Bleed Screw: #3A, #2A Air Bleed Screw: #3A, #2A
4.9 out of 5 Customer Rating
Air Bleed Screw: #3A, #2A
$6.49
Carburetor Body: #60LH, 50SX-H Carburetor Body: #60LH, 50SX-H
4.5 out of 5 Customer Rating
Carburetor Body: #60LH, 50SX-H
$48.41
Carburetor Rotor: 37SZ-H Carburetor Rotor: 37SZ-H
5 out of 5 Customer Rating
Carburetor Rotor: 37SZ-H
$26.24
102 Super Air Cleaner 102 Super Air Cleaner
5 out of 5 Customer Rating
102 Super Air Cleaner
$21.10
Carburetor Reducer 6.5mm, Blue Aluminum Carburetor Reducer 6.5mm, Blue Aluminum
3.1 out of 5 Customer Rating
Carburetor Reducer 6.5mm, Blue Aluminum
$21.10
Carburetor Body: 21J2(B), 21XZ-B Speed Carburetor Body: 21J2(B), 21XZ-B Speed
5 out of 5 Customer Rating
Carburetor Body: 21J2(B), 21XZ-B Speed
$89.99
Crankcase: Speed R2101 Crankcase: Speed R2101
3.1 out of 5 Customer Rating
Crankcase: Speed R2101
$141.93
Crankcase: 21XZ-B Speed Spec II Crankcase: 21XZ-B Speed Spec II
4.1 out of 5 Customer Rating
Crankcase: 21XZ-B Speed Spec II
$157.70
O.S. Cylinder and Piston Assy Speed B2103 Type R O.S. Cylinder and Piston Assy Speed B2103 Type R
3.3 out of 5 Customer Rating
O.S. Cylinder and Piston Assy Speed B2103 Type R
$193.68
Drive Washer: 12CV Drive Washer: 12CV
4.1 out of 5 Customer Rating
Drive Washer: 12CV
$6.49
Head Gasket Set: 12TZ Spec II Head Gasket Set: 12TZ Spec II
3.7 out of 5 Customer Rating
Head Gasket Set: 12TZ Spec II
$7.46
Gasket Head, .2 Aluminum: 21XZ-R Gasket Head, .2 Aluminum: 21XZ-R
5 out of 5 Customer Rating
Gasket Head, .2 Aluminum: 21XZ-R
$6.49
Mixture Control Screw #10M Mixture Control Screw #10M
3.7 out of 5 Customer Rating
Mixture Control Screw #10M
$11.80
O.S. Metering Needle (21M) R21GT O.S. Metering Needle (21M) R21GT
3.7 out of 5 Customer Rating
O.S. Metering Needle (21M) R21GT
$17.01
Carburetor 12F2-B: 12XZ Speed Spec 3 Carburetor 12F2-B: 12XZ Speed Spec 3
3.7 out of 5 Customer Rating
Carburetor 12F2-B: 12XZ Speed Spec 3
$118.99
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