O.S. Engines

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

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Control Arm: #9B

$14.73

Connecting Rod: FT-120, 160

$67.22

Cover Plate: 12TG

$11.80

E4050 In-Cowl Muffler: 65AX

$67.33

Powerboost Pipe: III 50, 55HZ-H

$184.86

Remote Needle Bracket: 160FX

$7.46

Spinner Nut: 10FP, FSR

$9.49

Locknut Set: FT, FR5

$41.12

T-1070SC L52 Pipe

$135.44

Motor Mount: 140RX, FS120, 120AX, FS200S

$77.99

Crankshaft: R2101 Speed

$59.79 ~~Price reduced from $199.31 to~~

Clearance Sale! ⓘ

Air Bleed Screw: FL70

$5.99

Front Bearing: 12-300

$21.17

Front Bearing: 21-61

$21.17

Crankshaft: 65AX

$57.78

Crankshaft: 21VZ-B (P)

$34.67 ~~Price reduced from $115.57 to~~

Clearance Sale! ⓘ

Crankshaft: O.S. Speed R2104

$262.05

Crankshaft: Recoil 30VG

$66.04

Crankshaft: 12TG-P

$50.83

Crankshaft: 21 Speed V-Spec

$174.99

Crankshaft: FS72 Alpha

$74.90

Crankshaft: B2101 Speed

$205.99

Crankshaft: 56 FS

$18.20 ~~Price reduced from $60.65 to~~

Clearance Sale! ⓘ

Crankshaft: FS-62V

$66.17