O.S. Engines

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

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981-1,004 of 1,605 Results

Pushrod: FS-91 Surpass

$9.44

Reduction Gear Bearing: FR5

$8.90 ~~Price reduced from $29.68 to~~

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Return Spring: #6H, #7H, #8H

$4.99

Tappet Adjusting Screw: 200 Surpass

$9.85

Metering Needle Assembly 22C(B): Speed B2102

$5.74 ~~Price reduced from $19.14 to~~

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O-Ring: 21TM

$9.74

Throttle Lever #2CK

$6.49

Needle #86 #8H

$13.78

Needle #7M #7LFS

$13.78

Rocker Arm: FS-70 Ultimate

$24.99

Rocker Arm Thrust Washer: Sirius 7

$1.95 ~~Price reduced from $6.49 to~~

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Rocker Support: FS155A-P

$11.68 ~~Price reduced from $38.95 to~~

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Rocker Cover: 200 Surpass

$22.04

Throttle Lever #40D

$7.46

Rocker Cover: FS-120 III

$21.10

Rotor Guide Screw #10A

$2.59 ~~Price reduced from $8.66 to~~

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Piston Ring: FS-120 III

$32.56

Piston Ring: FS-70 SII

$29.49

Spark Plug CM6: GT-55

$26.99

Prop Locknut FF-240 320

$41.12

Pushrod: FS-62V

$11.99

Pushrods: 56FS-a

$2.80 ~~Price reduced from $9.49 to~~

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Pushrod: GF30

$7.87 ~~Price reduced from $26.24 to~~

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Ratchet Spring #7H #7D #2K

$6.49