O.S. Engines

Quality and performance has made O.S. the standard in RC engines for over 80 years.
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1249-1344 of 1605 Results
Piston Pin: FS72 Alpha
$10.86Rocker Cover: FS-120 III
$21.10Carburetor 70R: FS155A-P
$157.70Clearance Sale!
Muffler Extension: #744B
$19.05Plug Terminal: Sirius 7
$10.94Carburetor Rotor: #60J
$13.78Cover Plate: FS81 Alpha
$17.16Cover Plate: FS-95V
$21.17Crankcase: 15LA Natural
$29.49Crankcase: 120AX
$135.55Crankcase: GT15HZ
$190.29Crankcase: GT22
$97.70Clearance Sale!
Cylinder Head: Sirius 7
$97.71Clearance Sale!
Cylinder Liner: GT15HZ
$105.05Drive Washer: 160FX
$27.29Clearance Sale!
Muffler Extension: 120AX
$26.24Needle #86 #8H
$13.78Needle #7M #7LFS
$13.78Pushrod Cover: FS-62V
$14.84Pushrod: FS-95V
$10.49Clearance Sale!
Cover Plate: GF30 II
$44.17Motor Mount: 25LA
$25.29Front Bearing: 12-300
$21.17Clearance Sale!
Clearance Sale!
Clearance Sale!
Cover Plate: GT15
$18.99Cylinder Head: 200 Surpass
$119.86Cylinder Liner: 105HZ
$105.05Thermo Insulator: GF40
$30.44Clearance Sale!
Needle Assembly #40N
$22.04Piston Pin: FS-95V
$11.95Piston Pin: 61-300
$10.86Prop Nut 10453 10-12
$6.49Rotor Stop Screw #4D
$6.49Dust Cover: #2BK
$10.86Gasket Set: 12TZ
$10.94Head Gasket: 15CV
$6.49Throttle Stop Screw 18TM
$10.58M2004SC 85mm Manifold
$65.28Front Bearing: 21XZ-B
$30.44Clearance Sale!
Crankshaft: Speed B2102
$193.70Cylinder & Piston: 21XZ-B
$165.99Outer Head: B2102 Speed
$102.52Clearance Sale!
Clearance Sale!
Outer Head: R2101 Speed
$102.35Universal Nipple #12
$6.49Clearance Sale!
Clearance Sale!






























































































