O.S. Engines
Quality and performance has made O.S. the standard in RC engines for over 80 years.
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Silencer: F-4020, 56FS
$48.51
Camshaft: FS-120 Surpass
$60.72
Camshaft Gear: FR5-300
$44.13
Starting Shaft: 18TM
$17.01
Speed Flywheel Key
$36.84
Pre-Order
Clearance Sale!
Crankcase: R21
$119.70
Outer Head: B2101 Speed
$108.03Clearance Sale!
Cylinder Liner: FS155A-P
$58.85
Head Gasket: 56 FS
$6.49
Ignition Module IG-02: GT33
$104.01
Cover Plate: 200 Surpass
$22.30