O.S. Engines

Quality and performance has made O.S. the standard in RC engines for over 80 years.
Filter
Less than $50
1215
Up to $100
267
Up to $250
231
Up to $500
35
$500 or more
22
1236-1331 of 1771 Results
Assembly Screw: 55AX
$9.85PCV Valve Set: GF40
$14.84Piston: 120AX
$57.78Rocker Cover: Sirius 7
$14.77Bearing R-1350ZZ
$14.99Carburetor #10K: 15CV-A
$47.99Front Bearing: GT55
$30.44Rear Cover Plate: GT33
$34.76Cover Plate: 55HZ Hyper
$11.72Cylinder & Piston: 25LA
$35.48Drive Washer: 21-25
$11.80Drive Washer: GF30
$38.03Exhaust Cam: Sirius 7
$70.37Gasket Set: BGX 3500
$10.94Ignition Module IG-04: GF40
$119.78O-Ring P3-FKM 61H: GT15
$10.94Piston: FS155A-P
$57.96Rocker Arm: FS95V
$28.45Throttle Lever #2CK
$6.49Intake Valve: 56 FS
$19.05Valve Spring: 20-300
$6.49Crankcase: FS155A-P
$174.52Crankshaft: 56 FS
$60.65Crankshaft: FS-62V
$66.17Crankshaft: GF40
$193.59Cylinder Head: FSa-72II
$98.83Cylinder Liner: 61SX WX
$80.99Carburetor Gasket: GT60
$10.94Piston: 91HZ
$91.99Pilot Shaft: GT55
$29.56Pushrod Cover: FS-95V
$17.16Rocker Arm: FS-40-48S
$25.44Valve Spring: 56 FS
$6.49Bearing L-1050ZZ
$17.99Crankcase: Speed R2101
$141.93202 Elements (4)
$13.78Carburetor Rotor: #2A
$11.72Outer Head: T1202 Speed
$102.46Gasket Set: 12TZ
$10.94