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: 18TM
$48.51
Cylinder Rebuild Kit: R21
$188.45Clearance Sale!
Inner Head: R2101 Speed
$52.69
Outer Head: 21XZ-R
$69.99Clearance Sale!
T-2080 C-Ring
$9.19Clearance Sale!
Outer Head: O.S. Speed R2104
$148.60
101/102 Elements (6)
$13.83
Crankcase: B2102 Speed
$147.19Crankshaft: O.S. Speed R2104
$262.05
Heat Sink Head: 18CV-R
$91.50
Carburetor #70N: FS120SII
$141.93