On Sale At spasdir.com!

Os 50


os 50 sx with muffler and Curtis Youngblood ATG Governor 

$51.00


OS 50 engine Max estate motor

$39.00


OS Engines 15550 50SX-H Hyper Ring 60LH Helicopter Engine

$229.00


O.S. MAX 50SX Ring w/873 Silencer Airplane Engine OS #15600

$139.50


OS O.S. .50 50 SX-H SXH Hyper Ringed Competition Helicopter Engine OSM15550

$229.99


OS Max Cylinder 50FSR-H Engines NIP

$10.99


OS 50 Hyper Ceramic Bearing Set

$16.97


O.S.Max 50SX-H Hyper 15550 Hi RPM Heli engine converted for Airplane w/pitts muf

$235.00


3 SETs Premium RC Engine BEARINGS OS FX 46AX 55AX 50FSR SAITO FA82 FA91 120P 130

$21.85


O.S. 50 SX Hyper Ringed Glow / Nitro RC Model Airplane Engine

$169.95


O.s Max 50 Os Airplane Engine Model Rc Radio Control Motor Gas Line Tether

$65.00


VINTAGE O S CYLINDER HEADFOR ..50F ENGINE. #25104008 NEW COND. SEE PICS

$25.00


thunder tiger raptor 50 With brand new O.S. 50 engine

$104.00


Premium RC Engine BEARINGS OS FX 46AX 55AX 50FSR SAITO FA82 SAITO FA91 120P 130

$10.85


OS FS70 ULTIMATE FL70 OS FS 52S OSFS 72+80 HB 50 PDP 40 RC Engine Bearings+CAMS

$11.75


RC ENGINE BEARINGS Upgrade SAITO FA 50 40 45 Saito FA56 OS Max FS 26 GMS 25 32

$11.45


OS 56 FS A ENYA 53 50 HB PDP 40 67 MAGNUM XL 52 RFS Premium RC Engine BEARINGS

$11.38


50x HSP Super Glow Plug Nitro RC #3 N3 70117 Hot 18 21 Engines Traxxas OS

$118.41


O.S. Engines 50fsr,61fsr Snufler Silencer Set

$17.99


OS 50 FSR RING C/L ENGINE EXCELLENT COMPLETE WITH MUFF

$110.00


Flowmaster Mufflers OS 50FSR

$35.95


NEW O.S. Connecting Rod 50SX-H 25205000

$21.99


OS 40, 45, 46, 50, 55 AX,FX,FSR,SF Premium Bearings

$11.97


NEW/UNUSED? OS MAX SX 50 MODEL HELI ENGINE WITH MUFFLER AND BOX

$99.99


New O.S.Heat Sink Head 50SX-H Engine 25204000

$46.96


NEW O.S. Crankshaft 50SX-H 25202000

$47.99


OS 50F-H HEATSINK HEAD # OS25104205 **O.S. Engines Genuine Parts**

$30.35


K&S 50 Competition Muffler Left OS 50 KSJ1564 YS New

$84.89


Jenny 50-By Green Models-OS FS20 four stroke powered

$325.00


K&S 50 Competition Muffler Left OS 50 KSJ1564 New

$89.99


NEW O.S. Gasket Set 50SX-H 25214000

$6.49


Vintage Carl Goldberg Eaglet 50 OS .25 motor

$489.00


PISTON 50SX-H, HG # OS25203200 **O.S. Engines Genuine Parts**

$32.79


CRANKCASE 50FSR,50F-H # OS25101006 **O.S. Engines Genuine Parts**

$61.10


OS 50SX,-H GASKET SET NIP

$7.99


KAVAN Carb Carburetor, Brand New from MECOA K&B 980-K024 OS Max 50

$29.99


OS 50 Hyper Standard Bearings

$10.97


OS 50 - 55 Hyper Stainless Ceramic engine bearing set

$19.97


AGNHE50H09 Align RCE-G600 Engine Governor Nitro Trex 700 600 O.S. throttle gov

$29.95


CONNECTING ROD 50SX-H,HG,55AX,BE,55HZ # OS25205000 O.S. Engines Genuine Parts

$20.54


Thunder Tiger Raptor 30 Nitro RC Helicopter W/ OS MAX-37SZ-HRING Engine

$799.99


NOS OS Max Airbleed Screw 40R/C 50R/C RC

$10.00


NEW O.S. ENGINES 29083020 Carburetor 61LH(50SX-H) Part

$47.00


RADIOACTIVE HAZARD #50___TINPLATE BILLBOARD O/S SCALE

$13.00