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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69-92 of 1,605 Results
Piston Ring: FT-120 240 Piston Ring: FT-120 240
4.4 out of 5 Customer Rating
Piston Ring: FT-120 240
$29.60
Drive Shaft: Sirius 7 Drive Shaft: Sirius 7
4.4 out of 5 Customer Rating
Drive Shaft: Sirius 7
$10.46 Price reduced from $34.86 to
Clearance Sale! ⓘ
Bearing L-1040X2ZZ Bearing L-1040X2ZZ
5 out of 5 Customer Rating
Bearing L-1040X2ZZ
$14.99
Screw Set Speed (10): 21 V-Spec Screw Set Speed (10): 21 V-Spec
4.4 out of 5 Customer Rating
Screw Set Speed (10): 21 V-Spec
$9.99
Carburetor Washe:r #20A, B Carburetor Washe:r #20A, B
4 out of 5 Customer Rating
Carburetor Washe:r #20A, B
$6.49
Pushrod: FT-160 Pushrod: FT-160
5 out of 5 Customer Rating
Pushrod: FT-160
$9.44
202 Elements (4) 202 Elements (4)
5 out of 5 Customer Rating
202 Elements (4)
$13.78
Outer Head: B21 Speed Adam Drake Outer Head: B21 Speed Adam Drake
4.4 out of 5 Customer Rating
Outer Head: B21 Speed Adam Drake
$108.03
Carburetor Reducer 6.5mm: Speed 21 V-SpecII Carburetor Reducer 6.5mm: Speed 21 V-SpecII
4.4 out of 5 Customer Rating
Carburetor Reducer 6.5mm: Speed 21 V-SpecII
$20.05
Crankshaft: 30VG Crankshaft: 30VG
4 out of 5 Customer Rating
Crankshaft: 30VG
$52.99
Inner Head: B2101 Speed Inner Head: B2101 Speed
4.4 out of 5 Customer Rating
Inner Head: B2101 Speed
$57.96
Cylinder & Piston Assembly O.S. Speed R2106 Cylinder & Piston Assembly O.S. Speed R2106
5 out of 5 Customer Rating
Cylinder & Piston Assembly O.S. Speed R2106
$204.99
Mixture Control Valve Spring Mixture Control Valve Spring
5 out of 5 Customer Rating
Mixture Control Valve Spring
$1.95 Price reduced from $6.49 to
Clearance Sale! ⓘ
Gasket Set: 120AX Gasket Set: 120AX
4.1 out of 5 Customer Rating
Gasket Set: 120AX
$10.94
Inner Head O-Ring: (S-32)(Black) B2104 Inner Head O-Ring: (S-32)(Black) B2104
4.9 out of 5 Customer Rating
Inner Head O-Ring: (S-32)(Black) B2104
$10.70
Front Crankshaft Bearing: Speed T1202 Front Crankshaft Bearing: Speed T1202
5 out of 5 Customer Rating
Front Crankshaft Bearing: Speed T1202
$22.04
Gasket Head, .2mm: 105HZ Gasket Head, .2mm: 105HZ
4.1 out of 5 Customer Rating
Gasket Head, .2mm: 105HZ
$7.46
Exhaust Header Pipe Assembly F-5050: FS-95V Exhaust Header Pipe Assembly F-5050: FS-95V
3.9 out of 5 Customer Rating
Exhaust Header Pipe Assembly F-5050: FS-95V
$19.14
Pushrod Cover Assembly: 120Surpass Pushrod Cover Assembly: 120Surpass
4.7 out of 5 Customer Rating
Pushrod Cover Assembly: 120Surpass
$22.04
Carburetor Complete #61N: FS72 Alpha Carburetor Complete #61N: FS72 Alpha
5 out of 5 Customer Rating
Carburetor Complete #61N: FS72 Alpha
$102.96
Head Gasket: FF-320 Head Gasket: FF-320
4.4 out of 5 Customer Rating
Head Gasket: FF-320
$4.20 Price reduced from $6.49 to
Clearance Sale! ⓘ
Rotor Spring #2CK #2B Rotor Spring #2CK #2B
5 out of 5 Customer Rating
Rotor Spring #2CK #2B
$6.49
T-2080 C-Ring T-2080 C-Ring
3.6 out of 5 Customer Rating
T-2080 C-Ring
$9.19
Silencer Body Gasket: 200 Surpass Silencer Body Gasket: 200 Surpass
3.3 out of 5 Customer Rating
Silencer Body Gasket: 200 Surpass
$2.24 Price reduced from $7.46 to
Clearance Sale! ⓘ
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