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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481-504 of 1,755 Results
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
Carburetor Body: #60M Carburetor Body: #60M
3.4 out of 5 Customer Rating
Carburetor Body: #60M
$71.43
Carburetor Body: 70R, FS155A-P Carburetor Body: 70R, FS155A-P
5 out of 5 Customer Rating
Carburetor Body: 70R, FS155A-P
$97.81
Cover Plate: GGT10 Cover Plate: GGT10
3.4 out of 5 Customer Rating
Cover Plate: GGT10
$22.26
Crankcase: 37SZ-H Crankcase: 37SZ-H
5 out of 5 Customer Rating
Crankcase: 37SZ-H
$52.69
Cylinder Liner: 91FX Cylinder Liner: 91FX
4.8 out of 5 Customer Rating
Cylinder Liner: 91FX
$88.92
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
Muffler F6020; FS155A-P Muffler F6020; FS155A-P
5 out of 5 Customer Rating
Muffler F6020; FS155A-P
$87.21
Assembly Screw E3080: 35AX Assembly Screw E3080: 35AX
5 out of 5 Customer Rating
Assembly Screw E3080: 35AX
$8.43
Mix Control Valve Assembly: #60 Mix Control Valve Assembly: #60
4.6 out of 5 Customer Rating
Mix Control Valve Assembly: #60
$25.29
Rocker Arm: FS-70 Ultimate Rocker Arm: FS-70 Ultimate
5 out of 5 Customer Rating
Rocker Arm: FS-70 Ultimate
$24.99
Rocker Arm Thrust Washer: Sirius 7 Rocker Arm Thrust Washer: Sirius 7
5 out of 5 Customer Rating
Rocker Arm Thrust Washer: Sirius 7
$6.49
Rocker Cover: 200 Surpass Rocker Cover: 200 Surpass
4.4 out of 5 Customer Rating
Rocker Cover: 200 Surpass
$22.04
Screw Set (8): 25LA Screw Set (8): 25LA
3.2 out of 5 Customer Rating
Screw Set (8): 25LA
$8.43
60 Degree Exhaust Header: 155FS-a 60 Degree Exhaust Header: 155FS-a
4.8 out of 5 Customer Rating
60 Degree Exhaust Header: 155FS-a
$14.55 Price reduced from $48.51 to
Clearance Sale! ⓘ
Carburetor Gasket: 70T, GF30 Carburetor Gasket: 70T, GF30
3.4 out of 5 Customer Rating
Carburetor Gasket: 70T, GF30
$7.46
Carburetor Rotor: #120AX Carburetor Rotor: #120AX
5 out of 5 Customer Rating
Carburetor Rotor: #120AX
$37.80
Crankshaft: 46AX Crankshaft: 46AX
4 out of 5 Customer Rating
Crankshaft: 46AX
$50.72
Piston: 56 FS Piston: 56 FS
4 out of 5 Customer Rating
Piston: 56 FS
$29.49
Cylinder Head: 95AX Cylinder Head: 95AX
3.4 out of 5 Customer Rating
Cylinder Head: 95AX
$48.41
Cylinder Head with Valves: FS120SE Cylinder Head with Valves: FS120SE
4.2 out of 5 Customer Rating
Cylinder Head with Valves: FS120SE
$185.03
Cylinder Head & Valve: FF-320 Cylinder Head & Valve: FF-320
5 out of 5 Customer Rating
Cylinder Head & Valve: FF-320
$135.66
Pulse Spacer: GGT10 Pulse Spacer: GGT10
5 out of 5 Customer Rating
Pulse Spacer: GGT10
$17.11
Piston Ring: 40SF Piston Ring: 40SF
5 out of 5 Customer Rating
Piston Ring: 40SF
$26.24
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