O.S. Engines
Quality and performance has made O.S. the standard in RC engines for over 80 years.
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Rocker Arm: FS-40-48S
$25.44
Camshaft: FS72 Alpha
$54.63
Camshaft: FS-91-P
$60.72Clearance Sale!
Carburetor Body: 21JN
$79.99
Camshaft: FS-120 II
$66.15Clearance Sale!
Cover Plate: FS-200S-P
$25.44
Crankcase: 95AX
$125.04
Crankcase: 25LA Natural
$34.86
Cylinder & Piston: 15LA
$33.18
Cylinder & Piston: 21XZ-B
$165.99Clearance Sale!
Cylinder Head: .25AX
$19.99
Inner Head: 21XZ-R Speed
$57.96Clearance Sale!
Carburetor Body: #10G
$17.16
Crankcase: 21XZ-R Speed
$157.24