O.S. Engines

Quality and performance has made O.S. the standard in RC engines for over 80 years.
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481-576 of 1605 Results
Piston Ring: 46SF H
$26.24Clearance Sale!
Valve: FS-95V
$25.44Connecting Rod: 50SX-H
$25.44Clearance Sale!
Crankshaft: 91HZ
$91.51Crankshaft: 240-300
$284.01Cylinder Head: 25FX
$16.09Cylinder Head: 91HZR
$99.54Front Housing: GT60
$87.18Clearance Sale!
Piston Ring: 120AX
$33.61Prop Washer: GT55
$9.85Regulator Assembly: 91HZR
$124.95Rocker Arm: F61-300
$27.29Inner Head: R2102 Speed
$51.64Crankshaft: 12XZ Speed
$94.99Clearance Sale!
Inner Head: 21XZ-B
$52.99202 Super Air Cleaner
$22.26Inner Head: T1202 Speed
$37.99Outer Head: 21XZ-R Speed
$102.35Dust Cap Set, 16mm (3)
$11.91Needle Assembly #10E
$25.44O-Ring Small #2K IFN
$6.49Throttle Lever #11K
$16.09Cylinder Liner: FS155A-P
$58.85Ignition Module IG-02: GT33
$104.01Head Gasket: 56 FS
$6.49Cover Plate: 200 Surpass
$22.30Nozzle: 15FP-S RN
$9.85Piston: 50SX-H
$37.80Clearance Sale!
Prop Nut 1/4 20-61
$6.49Clearance Sale!
Intake Manifold: 56 FS
$19.14Spinner Nut: 60-91
$15.78Rear Bearing: 61-300
$22.16Clearance Sale!
Clearance Sale!
Clearance Sale!
Crankcase: T1201 Speed
$87.17Crankshaft: 18TZ-TX
$60.65Clearance Sale!
Heat Sink Head: 21TM
$80.41Gasket Set: 25XZ
$7.99Fuel Nipple: #20A, B
$10.86Clearance Sale!
Crankshaft: B2101 Speed
$205.99Clearance Sale!
Outer Head: R2102 Speed
$91.34Piston Pin: 30VG
$11.91Carburetor 40L: 55HZ Hyper
$152.36Clearance Sale!

























































































