O.S. Engines

Quality and performance has made O.S. the standard in RC engines for over 80 years.

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337-360 of 1,605 Results

Piston Pin: 55HZ Hyper

$10.94

Cylinder Head: GT15HZ

$32.41 ~~Price reduced from $108.03 to~~

Clearance Sale! ⓘ

Cover Plate: FS-62V

$4.73 ~~Price reduced from $15.76 to~~

Clearance Sale! ⓘ

M2001SC Manifold: 21XZ-R, 21VG

$67.39

Piston Ring: FS-120 III

$32.56

Piston/Sleeve/Rod set: O.S. SPEED R2106

$279.99

Locknut: GT33

$17.16

Lever Metering WLA-2: GT55

$11.87

Crankshaft: GT15HZ

$102.35

Standoff 5x19.1mm 3/4" (4): GT55

$31.50

Cylinder Head: .25AX

$19.99

Muffler Assembly: F-4050 FS-62V

$52.73

Connecting Rod with Bearings: GT60

$97.90

Crankshaft Clamp: 32-46

$25.44

Main Shaft: 3820-960

$8.99

Motor Mount: FS52S, 56A

$36.85

Crankshaft: 70SZ-H

$20.40 ~~Price reduced from $67.99 to~~

Clearance Sale! ⓘ

Crankshaft: 20-25FP

$28.59

Outer Head: 19XZ-B Speed

$102.20

Crankcase: O.S. FS-64V

$69.99

Allen Head Screws M3.5x12 (10)

$9.85

Muffler Extension: #744B

$19.05

Cylinder Head & Valve: FT-160

$135.63

Cylinder Head: GF30

$40.67 ~~Price reduced from $135.55 to~~

Clearance Sale! ⓘ