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!
Cover Plate: 21XZ-B
$22.04
Inner Head: 21XZ-R
$52.69
Low Unit Screw (4): 21XM
$10.86
Mount Plate: 21XM
$22.24
Lower Arm: 21XM
$21.06
Upper Arm: 21XM
$22.24
Lower Unit: 21XM
$100.94
Needle Assembly 21-120
$22.04
Crankcase: 18CV-R
$52.52
Crankcase: 21XM
$125.10
Arm Shaft Assembly: 21XM
$13.75
Needle #4BK #2K
$13.78Clearance Sale!
