O.S. Engines

Quality and performance has made O.S. the standard in RC engines for over 80 years.
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Less than $50
1238
Up to $100
270
Up to $250
241
Up to $500
36
$500 or more
26
289-384 of 1812 Results
Pushrod Cover: FS-62V
$14.84103 Air Cleaner Body
$10.99Inner Head: B2101 Speed
$57.96Insulator, 60K
$19.05Gasket Head: 46AXII
$6.49Gasket Set: 25FX
$7.46Intake Manifold: FS-95V
$34.76Piston Ring: 200 Surpass
$37.80Main Shaft: 5010-810
$10.99Crankshaft Clamp: 32-46
$25.44Crankshaft: T1201 Speed
$130.92Inner Head: 25XZ
$57.99Needle #20E
$13.78Crankcase: GT33
$97.81Crankshaft: FS155A-P
$109.12Carburetor Rotor: #60K
$34.99Carburetor: #80N, FS200S
$97.90Crankcase: B2101 Speed
$152.45Crankcase: 21XZ-B Speed
$139.99Crankshaft: Recoil 30VG
$66.04Camshaft: FS-91-P
$60.72Choke Valve: WLA-2, GT55
$14.99Head Gasket: 65LA
$6.49Piston Ring: FS110A
$29.49Rocker Support: FS155A-P
$38.95Venturi #61N: FS72A
$19.14Front Bearing: 12-300
$21.17Connecting Rod: FS-20
$17.99Crankshaft: 37SZ-H
$50.76Crankshaft: 200 Surpass
$125.39Piston Pin: 61-300
$10.86202 Super Air Cleaner
$22.26Slide Valve 2 (21M)
$32.99Rear Adapter: 15CV-X
$16.09Connecting Rod: FL-70
$21.10Rear Cover: Sirius 7
$173.36Crankshaft: 120AX Special
$102.45Pilot Shaft: GT60
$19.90Connecting Rod: 35AX
$22.04Crankshaft: 240-300
$284.01Prop Washer: GT55
$9.85Inner Head: R2102 Speed
$51.64Crankcase: 21TM
$97.72Crankshaft: 12XZ Speed
$94.99Crankshaft: T1202 Speed
$125.42Crankshaft: 21VZ-R
$109.99Inner Head: 21XZ-B
$52.99Slide Valve 12D: 18TM
$32.56