O.S. Engines
Quality and performance has made O.S. the standard in RC engines for over 80 years.
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Crankshaft: 21XZ-R
$144.99
Exhaust Gasket: 21RZ
$13.78
Head Gasket: 30VG
$7.46
Clearance Sale!
Crankcase: 55AX
$67.24
Crankcase: Sirius 7
$432.78
Cylinder Head: 46AXII
$25.19
Exhaust Pipe: 40-300
$11.84
Head Gasket: GT33
$14.84
Locknut Set 3/8M5S
$26.24
Assembly Screw: 55AX
$9.85Clearance Sale!
Rocker Cover: Sirius 7
$14.77Clearance Sale!
Bearing R-1350ZZ
$14.99