On Sale At scienceofcomputer.com!

Engine Os


OS Graupner Wankel .30 RC Nitro Engine with Muffler

$168.50


2002 OS FOUR STROKE FS-30S #33000 MODEL AIRPLANE ENGINE NIB W/MUFFLER NIB

$132.50


OS 40 SR MAX REMOTE CONTROL MODEL AIRPLANE ENGINE NEVER RAN WITH SPINNER

$41.00


Nitro Engine Break-In Service EBIS 21 28 12 OS Reds Picco FX Novarossi buggy 1/8

$45.00


Os 46 FX RC model airplane engine and muffler

$100.00


  2- O.S. FS-40 Four Stroke Glow Model Airplane Engine's 

$47.00


OS FS81-A Four Stroke Ringed Radio Controlled Engine w/Muffler & Mount - NIB -

$289.99


OS MAX FX 1.60 Engine RC Pits style Muffler + EXTRAS PARTS ect..

$103.50


OS FS-120 Pre Surpass Engine Four Stroke, 4 Stroke Runs Nice!

$85.00


OS FS120 Four Stroke Hemi Head Vintage RC Model Airplane Engine FS120 O.S.

$20.50


OS MAX FX 61 Engine rc airplane

$76.52


OS, OS Engines  91 FX RC model airplane engine and muffler new in box

$102.50


OS MAX 45R M ABC Piston and Sleeve for RC Marine engine True ABC 0.45 7.5 CC NIP

$55.00


OS Max 25 model airplane engine

$15.00


OS FS 56 Alpha 4 Stroke Nitro Radio Control Airplane Engine RC Blue Plane Motor

$119.00


Two .15 Glow/Nitro Engines - OS Max II and Fox

$11.50


OS Max 25 FP R/C Model Airplane Engine w/ Box and instructions NICE

$46.00


OS 160 FX R/C engine.Lightly used. No crash damage. BCM muffler. Spinr. Warnty.

$125.00


OS 25 FX R/C ABC glow engine. Excellent. No crash damage. Very slightly used.

$66.00


OS Max 15 gas model airplane engine

$15.00


BARE VINTAGE OS .30 WANKEL I-49 ROTARY STROKE MODEL AIRPLANE ENGINE

$51.00


OS 46 FX R/C engine. Very lightly used. No crash damage. Warranty.

$102.50


Vintage OS 30 Graupner Wankel NSU Rotary Gas Model Airplane Engine RACING ENGINE

$81.00


OS MAX Radio Control Airplane Engine

$30.00


OS 46 MAX SR BALL BEARING REMOTE CONTROL MODEL AIRPLANE ENGINE WITH MUFFLER

$9.99


O.S. FS Series FS-61 RC 4 Stroke Model Airplane Engine new

$92.00


O.S. FT-120II Four Stroke Model 36301 Engine

$266.00


RC Radio Control Airplane Parts Lot Engine Muffler OS Royal Super Tigre

$59.99


OS MAX TUNED SILENCER BLUE Code # 72101110 RC Plane Engine Silencer NOS In Box !

$178.00


Excellent OS Max 40 FP Model Glow RC Engine w/ Muffler

$35.00


OS 46 VMAX two stroke RC airplane engine

$130.00


RC Airplane O.S. Max 40, 15, 10 Engines/Mufflers Lot of 4

$60.00


Os max 60 Radio control aircraft engine

$50.00


OS SF46 RC Model Aircraft Engine - Freshly Rebuilt

$79.95


OS 15LA GLOW ENGINE

$11.99


Used OPS 80 Marine Engine [ os picco super Aeromarine ]

$145.00


New In Box (Made In Japan) O.S. Max-III .15 R/C Model Airplane Engine

$29.00


OS MAX 61 SX-H Heli Engine W/ Hatori Pipe

$169.95


RC Airplane OS FS-90 Engine/Muffler Parts or Repair

$44.99


MAGNUM XL 70 FOUR STROKE NITRO RC AIRPLANE ENGINE SAITO YS OS 

$29.00


Really Nice OS 160 1.60 FX Ball Bearing Two Stroke Nitro RC Airplane Engine

$149.00


OS MAX 40 FP Model Glow RC Engine WITH Muffler RC AIRPLANE ENGINE .40 PLANE

$22.50