O.S. Engines
Quality and performance has made O.S. the standard in RC engines for over 80 years.
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Crankcase: 21XZ-R VII
$45.70$69.99
Cylinder Liner: GT15HZ
$104.99
Intake Cam: Sirius 7
$21.11$39.99
Gasket Head: 65AX
$5.99
Choke Shaft: WLA-2, GT55
$7.79$10.99
Mixture Control Valve: 61ER
$8.84$13.99
Ball Link #3 20K: 21VZ-R
$12.99
Rotor Stop Holder #2K 74
$2.24$4.99
Pre-Order
Crankshaft: O.S. Speed T1205
$163.99
Needle #40D
$8.99
Pilot Shaft: GT55
$11.99
