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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1,345-1,368 of 1,808 Results
Valve Assembly Exhaust: FS-120 Surpass Valve Assembly Exhaust: FS-120 Surpass
5 out of 5 Customer Rating
Valve Assembly Exhaust: FS-120 Surpass
$44.10
Drive Washer: FS-62V Drive Washer: FS-62V
4.5 out of 5 Customer Rating
Drive Washer: FS-62V
$10.94
Crankcase: FS81 Alpha Crankcase: FS81 Alpha
4.1 out of 5 Customer Rating
Crankcase: FS81 Alpha
$87.19
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
Crankshaft: Speed B2102 Crankshaft: Speed B2102
5 out of 5 Customer Rating
Crankshaft: Speed B2102
$193.70
Carburetor: FT160, FF320 Carburetor: FT160, FF320
4.1 out of 5 Customer Rating
Carburetor: FT160, FF320
$102.95
Connecting Rod: GF40 Connecting Rod: GF40
4.2 out of 5 Customer Rating
Connecting Rod: GF40
$70.40
Camshaft: FS-91-P Camshaft: FS-91-P
4.8 out of 5 Customer Rating
Camshaft: FS-91-P
$60.72
Mixture Control Valve #61B: 91HZ Mixture Control Valve #61B: 91HZ
4.7 out of 5 Customer Rating
Mixture Control Valve #61B: 91HZ
$29.49
Carburetor: 61B-PII 91HZ-PSII Carburetor: 61B-PII 91HZ-PSII
5 out of 5 Customer Rating
Carburetor: 61B-PII 91HZ-PSII
$226.99
Cylinder Liner: 55HZ Hyper Cylinder Liner: 55HZ Hyper
5 out of 5 Customer Rating
Cylinder Liner: 55HZ Hyper
$64.39
Air Bleed Screw: FL70 Air Bleed Screw: FL70
4.2 out of 5 Customer Rating
Air Bleed Screw: FL70
$5.99
Reed Valve Assembly: GT22 Reed Valve Assembly: GT22
5 out of 5 Customer Rating
Reed Valve Assembly: GT22
$26.99
Carburetor #60LH: 50SX-H Hyper Carburetor #60LH: 50SX-H Hyper
4.4 out of 5 Customer Rating
Carburetor #60LH: 50SX-H Hyper
$97.88
Carburetor Screw: #4D4C2H Carburetor Screw: #4D4C2H
4.8 out of 5 Customer Rating
Carburetor Screw: #4D4C2H
$6.49
Cylinder & Piston Assembly: 25XZ Cylinder & Piston Assembly: 25XZ
5 out of 5 Customer Rating
Cylinder & Piston Assembly: 25XZ
$159.99
Metering Needle 21M Metering Needle 21M
4.4 out of 5 Customer Rating
Metering Needle 21M
$19.14
Rotation Sensor: GT55 Rotation Sensor: GT55
3.3 out of 5 Customer Rating
Rotation Sensor: GT55
$63.20
Cam Follower: FS-61, 48 Surpass Cam Follower: FS-61, 48 Surpass
3.8 out of 5 Customer Rating
Cam Follower: FS-61, 48 Surpass
$17.08
Bearing R-1350ZZ Bearing R-1350ZZ
5 out of 5 Customer Rating
Bearing R-1350ZZ
$14.99
Cam Cover: FS-62V Cam Cover: FS-62V
4.5 out of 5 Customer Rating
Cam Cover: FS-62V
$11.91
Carburetor #70D: 120AX Carburetor #70D: 120AX
3.3 out of 5 Customer Rating
Carburetor #70D: 120AX
$102.08
Mixture Control Valve #70A:1.40RX Mixture Control Valve #70A:1.40RX
5 out of 5 Customer Rating
Mixture Control Valve #70A:1.40RX
$25.44
Carburetor Rotor: #60L, 91SX-H Carburetor Rotor: #60L, 91SX-H
4 out of 5 Customer Rating
Carburetor Rotor: #60L, 91SX-H
$29.49
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