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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577-600 of 1,808 Results
T-2100SC Tuned Pipe T-2100SC Tuned Pipe
3.3 out of 5 Customer Rating
T-2100SC Tuned Pipe
$152.41
Carburetor Body: 21JN Carburetor Body: 21JN
3.7 out of 5 Customer Rating
Carburetor Body: 21JN
$79.99
Crankcase: 25LA Natural Crankcase: 25LA Natural
5 out of 5 Customer Rating
Crankcase: 25LA Natural
$34.86
Crankcase: 21XZ-B Speed Crankcase: 21XZ-B Speed
5 out of 5 Customer Rating
Crankcase: 21XZ-B Speed
$139.99
Crankshaft: Recoil 30VG Crankshaft: Recoil 30VG
4.1 out of 5 Customer Rating
Crankshaft: Recoil 30VG
$66.04
Cylinder & Piston: 12TR (P)-T Cylinder & Piston: 12TR (P)-T
5 out of 5 Customer Rating
Cylinder & Piston: 12TR (P)-T
$75.99
Cylinder & Piston Assembly: 28XZ Cylinder & Piston Assembly: 28XZ
4.1 out of 5 Customer Rating
Cylinder & Piston Assembly: 28XZ
$176.55
Inner Head: speed 21XZ-B Spec III Inner Head: speed 21XZ-B Spec III
3.3 out of 5 Customer Rating
Inner Head: speed 21XZ-B Spec III
$52.69
Drive Washer: 12TR Drive Washer: 12TR
3.3 out of 5 Customer Rating
Drive Washer: 12TR
$7.46
Dust Cover: 18TM Dust Cover: 18TM
3.3 out of 5 Customer Rating
Dust Cover: 18TM
$9.85
Mixture Control Screw: 120 Surpass Mixture Control Screw: 120 Surpass
5 out of 5 Customer Rating
Mixture Control Screw: 120 Surpass
$6.49
Needle High Speed WLA-2: GT55 Needle High Speed WLA-2: GT55
3.1 out of 5 Customer Rating
Needle High Speed WLA-2: GT55
$15.99
Metering Needle Assembly: 21VZB (P) V-Spec 21C Metering Needle Assembly: 21VZB (P) V-Spec 21C
5 out of 5 Customer Rating
Metering Needle Assembly: 21VZB (P) V-Spec 21C
$19.14
Metering Needle 12F2: 12XZ Speed Spec Metering Needle 12F2: 12XZ Speed Spec
4.7 out of 5 Customer Rating
Metering Needle 12F2: 12XZ Speed Spec
$19.14
Radial Mount: Sirius 7 Radial Mount: Sirius 7
5 out of 5 Customer Rating
Radial Mount: Sirius 7
$135.66
Camshaft: FS-91-P Camshaft: FS-91-P
4.8 out of 5 Customer Rating
Camshaft: FS-91-P
$60.72
Carburetor Body: #70C Carburetor Body: #70C
4 out of 5 Customer Rating
Carburetor Body: #70C
$87.39
Carburetor Body: 80T, Sirius 7 Carburetor Body: 80T, Sirius 7
4.2 out of 5 Customer Rating
Carburetor Body: 80T, Sirius 7
$58.00
Carburetor Rotor: #60L, 91SX-H Carburetor Rotor: #60L, 91SX-H
4 out of 5 Customer Rating
Carburetor Rotor: #60L, 91SX-H
$29.49
Carburetor: #60RA, FS81A Carburetor: #60RA, FS81A
4.8 out of 5 Customer Rating
Carburetor: #60RA, FS81A
$102.96
Choke Valve: WLA-2, GT55 Choke Valve: WLA-2, GT55
5 out of 5 Customer Rating
Choke Valve: WLA-2, GT55
$14.99
Rear Cover Plate: GT22 Rear Cover Plate: GT22
5 out of 5 Customer Rating
Rear Cover Plate: GT22
$30.44
Crankcase: 95AX Crankcase: 95AX
4.4 out of 5 Customer Rating
Crankcase: 95AX
$125.04
Crankcase: 32SX-H Crankcase: 32SX-H
4.8 out of 5 Customer Rating
Crankcase: 32SX-H
$48.41
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