O.S. Engines
Quality and performance has made O.S. the standard in RC engines for over 80 years.
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Needle #4BK #2K
$13.78
Needle Assembly #40A
$22.04
Screw Set (10): 21XM
$11.75
Low Unit Screw (4): 21XM
$10.86
Prop Nut: 21XM
$6.49
Arm Shaft Assembly: 21XM
$13.75
Cover Plate: 21XZ-B
$22.04
Cover Plate: 55HZ Hyper
$11.72
Piston Pin: FS-90 160
$10.86
Clearance Sale!
Carburetor HAD313: GT60
$190.09
