O.S. Engines
Quality and performance has made O.S. the standard in RC engines for over 80 years.
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Low Unit Screw (4): 21XM
$10.86
Front Bearing: 11PS
$22.04
Cover Plate: 21XZ-B
$22.04
Crankcase: 21XM
$125.10
Steering Arm: 21XM
$13.75
Needle Assembly 21-120
$22.04
Prop Nut: 21XM
$6.49
Arm Shaft Assembly: 21XM
$13.75
Crankcase: 18CV-R
$52.52
Needle #4BK #2K
$13.78
Clearance Sale!
Screw Set (10): 21XM
$11.75
Cavitation Plt: 21XM
$22.24