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!
Clearance Sale!
Connecting Rod: 140RX
$48.51
Needle Assembly #7H #7F
$22.04
Back Plate: 40-46 LA
$11.80
Crankcase: R21
$136.57
Pushrod: FS-95V
$10.49
Clearance Sale!
202 Super Air Cleaner
$22.26Clearance Sale!
Cover Plate: GT55
$41.99
Needle Assembly #60R
$22.04
Main Shaft: 5010-810
$10.99
Cover Plate: FS91-P
$21.10
Lock Washer 3mm
$19.14
