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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237-260 of 1,605 Results
Carburetor 60PS: FS-95V Carburetor 60PS: FS-95V
4.5 out of 5 Customer Rating
Carburetor 60PS: FS-95V
$119.97
Propeller Shaft Set: 3815-1000 Propeller Shaft Set: 3815-1000
5 out of 5 Customer Rating
Propeller Shaft Set: 3815-1000
$9.29 Price reduced from $30.99 to
Clearance Sale! ⓘ
Thrust Washer: 21-32 Thrust Washer: 21-32
3.3 out of 5 Customer Rating
Thrust Washer: 21-32
$6.49
Exhaust Header Assembly: 56 FS Exhaust Header Assembly: 56 FS
4.5 out of 5 Customer Rating
Exhaust Header Assembly: 56 FS
$4.13 Price reduced from $13.78 to
Clearance Sale! ⓘ
Piston Ring: 140RX Piston Ring: 140RX
5 out of 5 Customer Rating
Piston Ring: 140RX
$9.77 Price reduced from $32.56 to
Clearance Sale! ⓘ
Muffler Extension 35mm: E-402 Muffler Extension 35mm: E-402
4.4 out of 5 Customer Rating
Muffler Extension 35mm: E-402
$22.26
Outer Head: O.S. Speed B2104 Outer Head: O.S. Speed B2104
3.1 out of 5 Customer Rating
Outer Head: O.S. Speed B2104
$31.02 Price reduced from $103.41 to
Clearance Sale! ⓘ
T-2090SC Tune Pipe Set: 21XZ-B, 21VZ-B, 25XZ, 30VG T-2090SC Tune Pipe Set: 21XZ-B, 21VZ-B, 25XZ, 30VG
5 out of 5 Customer Rating
T-2090SC Tune Pipe Set: 21XZ-B, 21VZ-B, 25XZ, 30VG
$217.45
Exhaust Seal Ring (10) Exhaust Seal Ring (10)
5 out of 5 Customer Rating
Exhaust Seal Ring (10)
$33.61
Drive Washer: 91FX Drive Washer: 91FX
5 out of 5 Customer Rating
Drive Washer: 91FX
$16.09
Cylinder Rebuild Kit: B21 Speed Adam Drake Cylinder Rebuild Kit: B21 Speed Adam Drake
3.6 out of 5 Customer Rating
Cylinder Rebuild Kit: B21 Speed Adam Drake
$232.25
Exhaust Seal O-Ring (2) Exhaust Seal O-Ring (2)
4.7 out of 5 Customer Rating
Exhaust Seal O-Ring (2)
$13.78
Ratchet Spring #7H #7D #2K Ratchet Spring #7H #7D #2K
4.1 out of 5 Customer Rating
Ratchet Spring #7H #7D #2K
$6.49
Throttle Lever #1A-#3A Throttle Lever #1A-#3A
4.2 out of 5 Customer Rating
Throttle Lever #1A-#3A
$6.49
Glow G5 Gas Plug: GGT15 Glow G5 Gas Plug: GGT15
3.7 out of 5 Customer Rating
Glow G5 Gas Plug: GGT15
$17.99
Carburetor Screw: #4D4C2H Carburetor Screw: #4D4C2H
4.8 out of 5 Customer Rating
Carburetor Screw: #4D4C2H
$6.49
Carburetor Body: #60P, FS-91 Surpass II Carburetor Body: #60P, FS-91 Surpass II
5 out of 5 Customer Rating
Carburetor Body: #60P, FS-91 Surpass II
$44.22
Carburetor 40L-R: 55HZ-R Carburetor 40L-R: 55HZ-R
5 out of 5 Customer Rating
Carburetor 40L-R: 55HZ-R
$78.13 Price reduced from $260.43 to
Clearance Sale! ⓘ
Valve Collet: FS-91 Surpass Valve Collet: FS-91 Surpass
3.3 out of 5 Customer Rating
Valve Collet: FS-91 Surpass
$10.86
O.S. Outer Head Speed B2103 Type R O.S. Outer Head Speed B2103 Type R
5 out of 5 Customer Rating
O.S. Outer Head Speed B2103 Type R
$30.74 Price reduced from $102.47 to
Clearance Sale! ⓘ
Piston Pin Retainer: 61RX SX Piston Pin Retainer: 61RX SX
3.2 out of 5 Customer Rating
Piston Pin Retainer: 61RX SX
$6.45
Head Gasket: FT-160 Head Gasket: FT-160
4.4 out of 5 Customer Rating
Head Gasket: FT-160
$6.45
Pushrod: 120-240 Pushrod: 120-240
5 out of 5 Customer Rating
Pushrod: 120-240
$4.20 Price reduced from $9.44 to
Clearance Sale! ⓘ
Mixture Control Valve: 46AXII Mixture Control Valve: 46AXII
4.4 out of 5 Customer Rating
Mixture Control Valve: 46AXII
$30.44
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