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 1,808 Results
Speed P4 Gold Super Hot Plug Speed P4 Gold Super Hot Plug
3.6 out of 5 Customer Rating
Speed P4 Gold Super Hot Plug
$16.99
Outter Head: O.S.SPEED R21GT2 Outter Head: O.S.SPEED R21GT2
5 out of 5 Customer Rating
Outter Head: O.S.SPEED R21GT2
$133.99
Cover Plate: 21XZ-B Speed Cover Plate: 21XZ-B Speed
5 out of 5 Customer Rating
Cover Plate: 21XZ-B Speed
$25.44
Inner Head: T1202 Speed Inner Head: T1202 Speed
5 out of 5 Customer Rating
Inner Head: T1202 Speed
$37.99
Outer Head: 21XZ-R Speed Outer Head: 21XZ-R Speed
5 out of 5 Customer Rating
Outer Head: 21XZ-R Speed
$102.35
Dust Cap Set, 16mm (3) Dust Cap Set, 16mm (3)
5 out of 5 Customer Rating
Dust Cap Set, 16mm (3)
$11.91
Carburetor Seal Gasket: 21VZR Carburetor Seal Gasket: 21VZR
4 out of 5 Customer Rating
Carburetor Seal Gasket: 21VZR
$6.49
Needle Assembly #10E Needle Assembly #10E
5 out of 5 Customer Rating
Needle Assembly #10E
$25.44
O-Ring Small #2K IFN O-Ring Small #2K IFN
5 out of 5 Customer Rating
O-Ring Small #2K IFN
$6.49
Throttle Lever #11K Throttle Lever #11K
4 out of 5 Customer Rating
Throttle Lever #11K
$16.09
Dust Cover: #2BK Dust Cover: #2BK
4 out of 5 Customer Rating
Dust Cover: #2BK
$10.86
Gasket Set: 12TZ Gasket Set: 12TZ
4.2 out of 5 Customer Rating
Gasket Set: 12TZ
$10.94
Head Gasket: 0.1, 0.15, T1201 Speed Head Gasket: 0.1, 0.15, T1201 Speed
3.6 out of 5 Customer Rating
Head Gasket: 0.1, 0.15, T1201 Speed
$9.55
Head Gasket: 15CV Head Gasket: 15CV
4.8 out of 5 Customer Rating
Head Gasket: 15CV
$6.49
Needle Valve Assembly #10J #10M Needle Valve Assembly #10J #10M
4.4 out of 5 Customer Rating
Needle Valve Assembly #10J #10M
$26.24
Mixture Control Valve 21M Mixture Control Valve 21M
5 out of 5 Customer Rating
Mixture Control Valve 21M
$19.05
Throttle Stop Screw 18TM Throttle Stop Screw 18TM
5 out of 5 Customer Rating
Throttle Stop Screw 18TM
$10.58
Speed Ball Driver Replacement Tip 2.5 Speed Ball Driver Replacement Tip 2.5
3.6 out of 5 Customer Rating
Speed Ball Driver Replacement Tip 2.5
$18.53
Carburetor 21J4 (B) B21 Adam Drake II without Reducer Carburetor 21J4 (B) B21 Adam Drake II without Reducer
4 out of 5 Customer Rating
Carburetor 21J4 (B) B21 Adam Drake II without Reducer
$119.76
M2002SC 80mm Manifold: 21XZ-B, 21VZ-B, 25XZ, 30VG M2002SC 80mm Manifold: 21XZ-B, 21VZ-B, 25XZ, 30VG
4 out of 5 Customer Rating
M2002SC 80mm Manifold: 21XZ-B, 21VZ-B, 25XZ, 30VG
$67.39
M2004SC 85mm Manifold M2004SC 85mm Manifold
4.8 out of 5 Customer Rating
M2004SC 85mm Manifold
$65.28
T-2060SC WN Tuned Pipe Complete Set T-2060SC WN Tuned Pipe Complete Set
4.4 out of 5 Customer Rating
T-2060SC WN Tuned Pipe Complete Set
$152.36
Crankshft Ball Bearing, Rear: 12TZ Spec II Crankshft Ball Bearing, Rear: 12TZ Spec II
5 out of 5 Customer Rating
Crankshft Ball Bearing, Rear: 12TZ Spec II
$68.45
Front Bearing: 21XZ-B Front Bearing: 21XZ-B
5 out of 5 Customer Rating
Front Bearing: 21XZ-B
$30.44
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