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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728-751 of 1,808 Results
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
Connecting Rod: 95AX Connecting Rod: 95AX
3.7 out of 5 Customer Rating
Connecting Rod: 95AX
$29.60
Piston Pin: 75AX Piston Pin: 75AX
3.7 out of 5 Customer Rating
Piston Pin: 75AX
$11.91
Control Arm: #9B Control Arm: #9B
4.5 out of 5 Customer Rating
Control Arm: #9B
$14.73
Crankcase: 120 Surpass Crankcase: 120 Surpass
3.7 out of 5 Customer Rating
Crankcase: 120 Surpass
$162.87
Crankshaft: FS-95V Crankshaft: FS-95V
3.9 out of 5 Customer Rating
Crankshaft: FS-95V
$102.45
Drive Hub: 35AX Drive Hub: 35AX
4.1 out of 5 Customer Rating
Drive Hub: 35AX
$13.83
Drive Shaft Spacer: Sirius 7 Drive Shaft Spacer: Sirius 7
4.7 out of 5 Customer Rating
Drive Shaft Spacer: Sirius 7
$9.44
Drive Washer: FS-48 Surpass Drive Washer: FS-48 Surpass
5 out of 5 Customer Rating
Drive Washer: FS-48 Surpass
$13.75
Exhaust Pipe Assembly: FS81 Alpha Exhaust Pipe Assembly: FS81 Alpha
4.7 out of 5 Customer Rating
Exhaust Pipe Assembly: FS81 Alpha
$19.14
Intake Pipe Assembly: FS-120 SP Intake Pipe Assembly: FS-120 SP
3.3 out of 5 Customer Rating
Intake Pipe Assembly: FS-120 SP
$36.99
Silencer Assembly Screw: 56 FS Silencer Assembly Screw: 56 FS
4.7 out of 5 Customer Rating
Silencer Assembly Screw: 56 FS
$8.43
Muffler Body: F-5020 Muffler Body: F-5020
4.7 out of 5 Customer Rating
Muffler Body: F-5020
$67.24
Mufler Body F6020: FS155A-P Mufler Body F6020: FS155A-P
3.9 out of 5 Customer Rating
Mufler Body F6020: FS155A-P
$70.40
Muffler Assembly Screw #843 #892 Muffler Assembly Screw #843 #892
3.3 out of 5 Customer Rating
Muffler Assembly Screw #843 #892
$8.43
Spring Needle Adjust WLA-2: GT55 Spring Needle Adjust WLA-2: GT55
5 out of 5 Customer Rating
Spring Needle Adjust WLA-2: GT55
$10.99
O-Ring Muffler Gasket F6020: FS155A-P O-Ring Muffler Gasket F6020: FS155A-P
5 out of 5 Customer Rating
O-Ring Muffler Gasket F6020: FS155A-P
$8.49
Pushrod: GF30 Pushrod: GF30
4.1 out of 5 Customer Rating
Pushrod: GF30
$26.24
Needle Assembly #7M #7L Needle Assembly #7M #7L
5 out of 5 Customer Rating
Needle Assembly #7M #7L
$22.04
Rocker Cover Gasket: 200 Surpass Rocker Cover Gasket: 200 Surpass
5 out of 5 Customer Rating
Rocker Cover Gasket: 200 Surpass
$6.49
Screw Set (12): FS-26 Surpass Screw Set (12): FS-26 Surpass
3.3 out of 5 Customer Rating
Screw Set (12): FS-26 Surpass
$9.46
Crankshaft: O.S. FS-64V Crankshaft: O.S. FS-64V
4.7 out of 5 Customer Rating
Crankshaft: O.S. FS-64V
$66.99
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