O.S. Engines
Quality and performance has made O.S. the standard in RC engines for over 80 years.
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Clearance Sale!
Crankcase: R21
$119.70
Outer Head: B2101 Speed
$108.03Clearance Sale!
Carburetor #61A: 75AX
$97.80
Mid Bearing: 120-240
$32.99
Carburetor Body: #20H
$19.14Clearance Sale!
Clearance Sale!
Choke Valve: 120-300
$31.52
Crankshaft: 15LA
$23.22
Crankshaft: 120AX
$80.37
Cylinder Head: 65AX
$44.22
Cylinder Head: FT-160
$87.19
Cylinder Head: FF-320
$76.85
Cylinder Liner: FS-62V
$35.47
Cylinder Liner: 95AX
$88.92