O.S. Engines
Quality and performance has made O.S. the standard in RC engines for over 80 years.
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O.S. Speed R21GT2
$839.99
Cover Plate: 21XZ-B
$22.04
Throttle Lever #4BK #4C
$13.99
Needle Assembly 21-120
$15.99
Front Bearing: 21RZ-B
$21.99
Needle Assembly #40A
$15.99
Rear Housing: 21XM
$46.99
Arm Shaft Assembly: 21XM
$11.99
Needle #4BK #2K
$11.99Clearance Sale!
Screw Set (10): 21XM
$10.99
Prop Nut: 21XM
$5.99