O.S. Engines
Quality and performance has made O.S. the standard in RC engines for over 80 years.
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Connecting Rod: 50SX-H
$25.44Clearance Sale!
Crankshaft: 91HZ
$91.51
Crankshaft: 240-300
$284.01
Cylinder Head: 91HZR
$99.54
Cylinder Head: 25FX
$16.09
Front Housing: GT60
$87.18
Clearance Sale!
Piston Ring: 120AX
$33.61
Prop Washer: GT55
$9.85
Regulator Assembly: 91HZR
$124.95
Inner Head: R2102 Speed
$51.64
Inner Head: 21XZ-B
$52.99