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!
Cylinder Head: .35AX
$15.99
Gasket Set: 55AX
$10.99
Head Gasket: 25LA
$6.99
Piston Ring: 91FX
$21.99
Piston Ring: FT-300
$24.99
Prop Washer: 61-90
$5.99
Bearing R-1560X2ZZ
$17.99
Clearance Sale!
Clearance Sale!
Connecting Rod: 37SZ-H
$15.99
Crankshaft: 20-25FP
$21.99
Crankshaft: 55AX
$49.99
Cylinder Liner: 50SX-H
$49.99