O.S. Engines
Quality and performance has made O.S. the standard in RC engines for over 80 years.
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Flex Shaft Housing: 21XM
$10.86
Lower Unit: 21XM
$100.94
Needle Assembly 21-120
$22.04
Front Bearing: 11PS
$22.04
Carburetor Body: #40A
$47.99
Cover Plate: 21XZ-B
$22.04
Inner Head: 21XZ-R
$52.69
Needle #4BK #2K
$13.78Clearance Sale!
Screw Set (10): 21XM
$11.75
Needle Assembly #40A
$22.04
Upper Arm: 21XM
$22.24