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11 products in this category, displaying products 1 to 11.
O.S. Engines . OSM
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91HZ F3C HELI ENGINE
O.S. .91HZ F3C Competition Helicopter Engine.
FEATURES: Designed specifically for F3C aerobatic competition
Rectangular heat sink allows engine to be enclosed entirely inside
cooling shroud
61-B carburetor with thermal insulator to block heat and a ...
In Stock
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$469.99 |
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1.20 AX W/MUFFLER
1.20 AX W/MUFFLER
In Stock
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$279.99 |
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.61 FX NON-RINGED W/MUFF
.61 FX NON-RINGED W/MUFF
In Stock
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$199.99 |
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25AX ABL 21K E3080
This is the O.S. .25AX ABL Model Airplane Engine with E-3080 Muffler.
Ideally suited to a variety of R/C aircraft including trainer, sport types.
FEATURES: Same mounting dimensions as previous O.S. .25 size engines
Advanced Bi-Metallic Liner. This p...
In Stock
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$159.99 |
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.25 FX NON-RING W/MUFF
O.S. has Updated the .25 SF with this New High-Performance .25 FX. This Engine may be used in Sport and Aerobatic Aircraft. The FX is Designed to Use a Muffler or Tuned Pipe. Comes with a 2-Year Warranty.
FEATURES:
Remote Needl...
In Stock
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$134.99 |
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25LA-S CL NON-RING E2030
This is the O.S. Max .25LA-S Natural Finish
Control Line Engine with Muffler.
FEATURES: LA-S series engines Control Line engines replace the Carburetor with
a Venturi that keeps the engine running at a constant speed
Remote Needle Valve reduces chan...
In Stock
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$97.99 |
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PISTON RING FS70 SII
This is the Piston Ring for the O.S. Max FS-70 Surpass II Four Stroke Engine.
This ring fits around the piston to form a tight seal between the piston and the cylinder liner.
...
In Stock
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$24.99 |
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COVER PLATE 21VZ-R
This is the Coverplate for the OS Max .21 VZ-R engine.
FEATURES:
Aluminum Construction
INCLUDES:
One Coverplate ...
In Stock
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$23.99 |
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RE BEARING 61RX/SX-H
This is the Rear Ball Bearing for the .61 SX-H, RX-H, SX-HG, RX-HGL, SX-HGL.
FEATURES:
Made of hardened steel. It is not a sealed bearing. ...
In Stock
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$22.99 |
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DRIVE WASHER FS70SUR
This washer goes directly behind the propeller and has grooves that press up
against the prop to keep the prop from slipping. This is the washer and the
woodruff key.
In Stock
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$14.99 |
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GLOW PLUG #F 4 CYCLE
GLOW PLUG #F 4 CYCLE
In Stock
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$9.99 |
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