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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1,513-1,536 of 1,808 Results
Cylinder Liner: 91FX Cylinder Liner: 91FX
4.8 out of 5 Customer Rating
Cylinder Liner: 91FX
$88.92
Cylinder Liner: 56 FS Cylinder Liner: 56 FS
3.6 out of 5 Customer Rating
Cylinder Liner: 56 FS
$30.10
Exhaust Pipe Assembly: T-120 160 Exhaust Pipe Assembly: T-120 160
3.6 out of 5 Customer Rating
Exhaust Pipe Assembly: T-120 160
$22.04
Water Nipple: #2 Water Nipple: #2
5 out of 5 Customer Rating
Water Nipple: #2
$6.49
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
Exhaust Header Pipe Nut: 200 Surpass Exhaust Header Pipe Nut: 200 Surpass
5 out of 5 Customer Rating
Exhaust Header Pipe Nut: 200 Surpass
$6.49
Muffler F6020; FS155A-P Muffler F6020; FS155A-P
5 out of 5 Customer Rating
Muffler F6020; FS155A-P
$87.21
Muffler Assembly Screw #E-4010 Muffler Assembly Screw #E-4010
3.6 out of 5 Customer Rating
Muffler Assembly Screw #E-4010
$8.49
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
Needle Assembly #60R Needle Assembly #60R
4 out of 5 Customer Rating
Needle Assembly #60R
$22.04
Pushrod Cover Assembly: FS-70 Ultimate Pushrod Cover Assembly: FS-70 Ultimate
5 out of 5 Customer Rating
Pushrod Cover Assembly: FS-70 Ultimate
$17.99
Piston Pin Retainer: GT15HZ Piston Pin Retainer: GT15HZ
5 out of 5 Customer Rating
Piston Pin Retainer: GT15HZ
$7.46
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
Cylinder Head Screws (10): 120AX Cylinder Head Screws (10): 120AX
5 out of 5 Customer Rating
Cylinder Head Screws (10): 120AX
$9.85
Carburetor Complete #61N: FS72 Alpha Carburetor Complete #61N: FS72 Alpha
5 out of 5 Customer Rating
Carburetor Complete #61N: FS72 Alpha
$102.96
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
$48.51
Muffler #871: 10-15 Muffler #871: 10-15
4.8 out of 5 Customer Rating
Muffler #871: 10-15
$22.04
Rear Bearing: FS52 Rear Bearing: FS52
5 out of 5 Customer Rating
Rear Bearing: FS52
$22.04
Rear Bearing: Sirius 7 Rear Bearing: Sirius 7
3.4 out of 5 Customer Rating
Rear Bearing: Sirius 7
$40.94
Carburetor Gasket: 70T, GF30 Carburetor Gasket: 70T, GF30
3.4 out of 5 Customer Rating
Carburetor Gasket: 70T, GF30
$7.46
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