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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1,345-1,368 of 1,812 Results
Piston: GT33 Piston: GT33
3.2 out of 5 Customer Rating
Piston: GT33
$68.27
Piston Ring: 40SF Piston Ring: 40SF
5 out of 5 Customer Rating
Piston Ring: 40SF
$26.24
Prop Nut Safety: FT-120 II FT-160 Prop Nut Safety: FT-120 II FT-160
3.2 out of 5 Customer Rating
Prop Nut Safety: FT-120 II FT-160
$36.85
Pushrod: 120-240 Pushrod: 120-240
5 out of 5 Customer Rating
Pushrod: 120-240
$9.44
Rocker Arm Assembly: FS-40-48S Rocker Arm Assembly: FS-40-48S
3.6 out of 5 Customer Rating
Rocker Arm Assembly: FS-40-48S
$25.29
Spring Metering WLA-2: GT55 Spring Metering WLA-2: GT55
5 out of 5 Customer Rating
Spring Metering WLA-2: GT55
$5.99
Rocker Arm Assembly FS-20 Rocker Arm Assembly FS-20
5 out of 5 Customer Rating
Rocker Arm Assembly FS-20
$22.04
Rocker Arm Support Assembly FS91-240 Rocker Arm Support Assembly FS91-240
5 out of 5 Customer Rating
Rocker Arm Support Assembly FS91-240
$29.55
Rotor Stop #4B #4D #4C Rotor Stop #4B #4D #4C
4.4 out of 5 Customer Rating
Rotor Stop #4B #4D #4C
$9.85
Screw Set 21-32 (10) Screw Set 21-32 (10)
3.6 out of 5 Customer Rating
Screw Set 21-32 (10)
$9.85
Standoff 5x31.8mm 1-1/4" (4): GT55 Standoff 5x31.8mm 1-1/4" (4): GT55
5 out of 5 Customer Rating
Standoff 5x31.8mm 1-1/4" (4): GT55
$40.12
Ball WLA-2: GT55 Ball WLA-2: GT55
5 out of 5 Customer Rating
Ball WLA-2: GT55
$6.99
Valve: FS-40 48Surpass Valve: FS-40 48Surpass
3.6 out of 5 Customer Rating
Valve: FS-40 48Surpass
$21.10
Bearing R-1240ZZ Bearing R-1240ZZ
4.8 out of 5 Customer Rating
Bearing R-1240ZZ
$16.99
Prop Shaft Set: OMA-28 Series Prop Shaft Set: OMA-28 Series
3.6 out of 5 Customer Rating
Prop Shaft Set: OMA-28 Series
$20.99
Connecting Rod O.S. Speed R21 Connecting Rod O.S. Speed R21
4.1 out of 5 Customer Rating
Connecting Rod O.S. Speed R21
$59.99
Carburetor #70D: 120AX Carburetor #70D: 120AX
3.3 out of 5 Customer Rating
Carburetor #70D: 120AX
$102.08
Motor Mount: 140RX, FS120, 120AX, FS200S Motor Mount: 140RX, FS120, 120AX, FS200S
3.3 out of 5 Customer Rating
Motor Mount: 140RX, FS120, 120AX, FS200S
$77.99
Intake Manifold Gasket 200 Surpass Intake Manifold Gasket 200 Surpass
5 out of 5 Customer Rating
Intake Manifold Gasket 200 Surpass
$7.46
Spinner Nut: 10FP, FSR Spinner Nut: 10FP, FSR
4.1 out of 5 Customer Rating
Spinner Nut: 10FP, FSR
$9.49
Rear Bearing: GT55 Rear Bearing: GT55
3.7 out of 5 Customer Rating
Rear Bearing: GT55
$20.99
Camshaft: FS-40, 48 Surpass Camshaft: FS-40, 48 Surpass
3.7 out of 5 Customer Rating
Camshaft: FS-40, 48 Surpass
$41.94
Piston Pin: 75AX Piston Pin: 75AX
3.7 out of 5 Customer Rating
Piston Pin: 75AX
$11.91
Connecting Rod: 95AX Connecting Rod: 95AX
3.7 out of 5 Customer Rating
Connecting Rod: 95AX
$29.60
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