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!
Needle: #60B
$14.73
Piston: 61-300
$38.84Clearance Sale!
Piston Pin: 50SX-H
$11.72Clearance Sale!
Cylinder Jacket: FT-160
$70.37
Cylinder Liner: 50SX-H
$58.90
Cylinder Liner: FS110A
$49.46Clearance Sale!
Locknut Set 3/8M5S
$26.24
Needle Assembly #60R
$22.04
Needle Assembly #7H #7F
$22.04
Cylinder Liner: FT-300
$59.99
Drive Washer: 15LA
$6.49