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!
Clearance Sale!
Carburetor WT: GF40
$190.20
Needle Assembly #7M #7L
$22.04
Connecting Rod: 50SX-H
$25.44
Outer Head: R2102 Speed
$91.34
Needle #7M #7LFS
$13.78
Connecting Rod: 12Z CV
$17.01
Outer Head: 21XZ-R Speed
$102.35
Piston Pin: 32SX-H
$11.91
Clearance Sale!
Slide Valve 2 (21M)
$32.99
Radial Mount: Sirius 7
$135.66
Carburetor 21M: 21XZ-R VII
$157.70
Piston Ring: 120AX
$33.61