O.S. Engines

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

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673-696 of 1,605 Results

Crankcase: 105HZ

$179.68

Crankshaft: 25FX

$11.61 ~~Price reduced from $38.71 to~~

Clearance Sale! ⓘ

Crankshaft: 35-40FP

$28.68

Crankshaft: GT15

$22.49 ~~Price reduced from $74.96 to~~

Clearance Sale! ⓘ

Cylinder Liner: GF30

$17.71 ~~Price reduced from $59.03 to~~

Clearance Sale! ⓘ

Cylinder Liner: GGT10

$64.22

Drive Washer: FS-120 II

$24.23

Gasket Set: 70SZ-H

$7.46

Lock Cone: 40P/60GP

$26.24

Mixture Control Valve Spring

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

Clearance Sale! ⓘ

Silencer E-4040: GT15 75AX 95AX

$51.64

Screw Assembly: F-5030 FS81 Alpha

$9.85

Pushrod Cover: 56FS-a

$2.53 ~~Price reduced from $8.43 to~~

Clearance Sale! ⓘ

Drive Pin: FL-70

$6.49

Piston Ring: FS-120 III

$32.56

Spark Plug CM6: GT-55

$26.99

Prop Locknut FF-240 320

$41.12

Rocker Arm: FS-62V

$7.63 ~~Price reduced from $25.44 to~~

Clearance Sale! ⓘ

Rotation Sensor: GT55

$63.20

Exhaust Valve Assembly: 56 FS

$5.72 ~~Price reduced from $19.05 to~~

Clearance Sale! ⓘ

Intake Valve: 200 Surpass

$13.26 ~~Price reduced from $44.22 to~~

Clearance Sale! ⓘ

Velocity Stack: GF40

$25.44

Lock Washer 3mm

$19.14

Cover Plate: FSa-56II

$19.31