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A3 Glow Plug Hot
Retail: $8.99
Price: $5.99
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Availability: Available
Item #: OSMG2690 -

FEATURESHot heat range plug for most model engine applications.Works well in any two stroke engine from .10-size to .60Thick, solid platinum coil resists meltdowns and premature failureCoil holds sufficient heat for a smooth idleFinest glow plug in the economy price rangeNo Idle BarINCLUDESOne OS #6 (formerly A3) glow plugOne glow plug ring0-OSMG2690

#8 Glow Plug Medium Hot
Retail: $9.99
Price: $8.99
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Availability: Available
Item #: OSMG2691 -

The O.S. #8 glow plug is the most widely used O.S. glow plug.Recommended for most current O.S. (and other brands of) 2-stroke R/C engines.FEATURESMedium heat range plug for most model engine applications.Plug is medium length, without idle bar. For all 2 stroke engines.INCLUDESOne glow plug and one brass washerSPECIFICATIONSThreads on the plug are 1/4-32.0-OSMG2691

OS 71615009 Type F Glow Plug Medium
Retail: $12.99
Price: $9.99
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Availability: Available
Item #: OSMG2692 -

The OS Max #F Glow Plug is Designed Especially for OS Max(and other brands of) Four-Stroke Engines.FEATURESSpecially shielded long-reach plug for use in four stroke engines.Shield keeps plug hot for lower idle RPM.For use with fuels with a 5-15% nitro contentINCLUDESOne #F Glow Plug (without idle bar)One brass glow plug gasket.0-OSMG2692

OS P3 Turbo Plugs
Retail: $12.99
Price: $8.99
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Availability: In Stock
Item #: OSMG2699 -

This is the P3 Glow Plug for use in the OS Max .21 VZ-V Spec and mostother .18 -.28 cu in (2.9 - 4.6 cc) turbo head racing engines.FEATURESUltra Hot Type Plug, designed for reliable low speed and more torqueat acceleration, suitable for 20% nitro fuelIdeal for novice drivers, allows easy starts and better idlingINCLUDESOne P3 turbo glow plugREQUIREMENTSGlow plug wrench, HCAP2550SPECIFICATIONSOverall Length: 17mm (.67")Thread size: M8x.75mmCOMMENTSThis glow plug is different from the...

O.S. Muffler Screws 10FP/FSR (2)
Retail: $4.49
Price: $3.29
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Availability: Discontinued
Item #: OSMG6880 -

This is the Muffler Mounting Screws for the #761, #761C, and #871 OS mufflers.It can also be used for mounting mufflers to .12-.15 size Kyosho engines.FEATURESMetal ConstructionBlack in colorPhillips head typeINCLUDESTwo Muffler Mounting screws.REQUIREMENTSNone, item is a stock part.SPECIFICATIONSScrew size: 2.6mm x 23mm0-OSMG6880

O.S. 120AX Ringed w/o Muffler
Retail: $399.99
Price: $349.99
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Availability: Available
Item #: OSMG0651 -

This is the O.S. Max Two-Stroke 1.20AX Ringed Engine without Muffler.FEATURESModel Application: Ideal for 3D, Precision and Sport flyingMounting Application: Mounts in same space as the .91FX (actualmounting dimensions vary slightly, see SPECS)Construction: Steel piston ring and liner, aluminum pistonCarburetor: 70D with rearward angled needle valve for safetyGlowplug: O.S. #8 supplied with engine, A5 (OSMG2693) will also workWarranty: Two-year limitedINCLUDESO.S. Max Two-Stroke 1.20AX Ringed...

O.S. Muffler Gasket 871
Retail: $3.49
Price: $3.19
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Availability: Temporarily Unavailable
Item #: OSMG6011 -

This is an exhaust gasket set for the OS 10LA and 15LA engines.These gaskets are installed between the crankcase and a 871 muffler.INCLUDESThree Exhaust GasketsREQUIREMENTSInstallation onto engineSPECIFICATIONSLength: 34mm (1.33")C.D. between mounting holes: 28.5mm (1.12")COMMENTSThese gaskets are made specifically for a 871 silencer.0-OSMG6011

O.S. Muffler Gasket E-3030
Retail: $3.49
Price: $3.19
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Availability: Available
Item #: OSMG6013 -

This is an exhaust gasket set for the OS 40LA and 46LA engines.These gaskets are installed inbetween the crankcase and a E-3030 muffler.INCLUDESThree Exhaust GasketsREQUIREMENTSInstallation onto engineSPECIFICATIONSLength: 43mm (1.69")C.D. between mounting holes: 36mm (1.42")COMMENTSThese gaskets are made specifically for a E-3030 silencer0-OSMG6013

O.S. Muffler Screws #873 (2)
Retail: $2.49
Price: $2.29
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Availability: Available
Item #: OSMG6914 -

These are the Muffler Mount Screws for the #873 mufflerFEATURESBlack steel constructionINCLUDESTwo black steel 3x35mm Cap-Head Screws w/.5 pitch threadsREQUIREMENTSA 2.5mm hex wrench0-OSMG6914

O.S. #5 Recoil Starter Assembly
Retail: $46.99
Price: $34.99
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Availability: Available
Item #: OSMG8978 -

This is the Number 5 Recoil Starter Assembly. It replaces the starter assembly originally used on the following engines:.12 CV-X,.15 CV-X,.12 LD-X,.15 LD-X,.21 RG-X,.12/.15/.18 CV-RX.0-OSMG8978

O.S. 35AX ABL Airplane Engine w/Muffler
Retail: $269.99
Price: $179.99
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Availability: Available
Item #: OSMG0545 -

This is the O.S. .35AX ABL Model Airplane Engine with E-3080 Muffler.Ideally suited to a variety of R/C aircraft including trainer, sport types.FEATURESSame mounting dimensions as the O.S. .32SX and .25FXWeighs only 0.35oz (10g) more than the .32SXAdvanced Bi-Metallic Liner. This process uses a double layer ofplating material rather than one thick layer. This helps the metalto bond to the cylinder and is more durable. Also, the platingprocess is more consistent, resulting in a more precise fit...

O.S. Drive Hub 35AX
Price: $9.49
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Availability: Available
Item #: OSMG5463 -

This is the Drive Washer for the O.S. 35AX EngineThis part mounts onto the crankshaft and has a knurled face that grips the prop.FEATURESAluminum constructionINCLUDESOne drive washer for the O.S. 35AX EngineREQUIREMENTSInstallation on the engine crankshaft0-OSMG5463

O.S. Prop Washer 40-61
Price: $2.29
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Availability: Available
Item #: OSMG8024 -

This is the O.S. Max Propeller Washer for the O.S. Max FS-40, FS-48, 61SFN and 61RFN Engines.This washer installs on the crankshaft to hold the propeller flat against the drive hub.FEATURESReplaces damaged or missing propeller washers.Machined from hardened steel.INCLUDESOne O.S. Max Propeller Washer for the O.S. FS-40, FS-48 and the O.S.61SFN and 61 RFN.REQUIREMENTSInserting onto the crankshaft and securing with propeller nut0-OSMG8024 ...

O.S. Needle #7M/#7LFS
Price: $9.49
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Availability: Available
Item #: OSMG7088 -

The needle valve is used to adjust the fuel/air mixture going into the carb.This is just the needle (and NOT the entire needle valve assembly), the set screw for the needle and the O-ring that goes between the needle and the needle holder.0-OSMG7088

O.S. #10 A5 Glow Plug Cold Air
Price: $6.99
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Availability: Available
Item #: OSMG2693 -

This is the #10 (A5) Glow Plug from O.S. Engines.FEATURESMedium-cold heat range plug that is ideal for aircraft glow engines.60 cu in (9.8cc) and largerINCLUDES#10 (formerly A5) glow plug with brass gasket0-OSMG2693

O.S. Needle #40D
Retail: $6.99
Price: $6.29
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Availability: Available
Item #: OSMG7017 -

0-OSMG7017

O.S. Valve Assembly 40-65LA
Retail: $21.99
Price: $18.49
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Availability: Available
Item #: OSMG6997 -

This is the Replacement Needle Valve for the following engines:.40LA, .46LA, .46FX, .46FXI, .65LA* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** This is also the Valve Assembly for the .91 FX Ringed engine ** for which you will also need OSMG7152 Needle Stay 91FX ** if you are using the new Back Plate OSMG4078 ** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *FEATURESBrass Needle Holder with Plastic SpraybarINCLUDESOne Needle....

O.S. Needle Assembly Screw 65LA
Retail: $2.29
Price: $1.99
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Availability: Discontinued
Item #: OSMG8620 -

0-OSMG8620

O.S. Ratchet Spring #7H/#7D/#2K
Price: $4.49
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Availability: Available
Item #: OSMG8172 -

This is the ratchet spring that fits many OS Engine Needle Valve Assemblies.It is used to hold the needle valve in place after adjustment.FEATURESMetal ConstructionBlack in colorINCLUDESOne Ratchet SpringREQUIREMENTSNone, item is a stock partSPECIFICATIONSOverall Length: 15.9mm (.625")Spring Length: 10mm (.5")Mounting Diameter: 6mm (.24")COMMENTSThis Ratchet Spring fits the needle valves on the following engines:-LA Series-FX Series-SX Series-61 RX-LX Series-FS52 thru FS120 Surpass Four Stroke...

O.S. 30VG (P) ES ABL w/21E Slide Carb
Retail: $449.99
Price: $249.99
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Availability: Available
Item #: OSMG2078 -

This is the O.S. Max 30VG (P) ES Electric Start, Rear ExhaustMonster Truck Engine with Pilot Type Crankshaft.FEATURESPreinstalled E.S. Starter backplate is designed to use the DuraTraxKwik-Pit Super Start for the HPI Savage or the HPIRoto Starter System (HPIP8711), seeCOMMENTSSame mounting dimensions as .21 size engines making upgrading easierAdvanced Bi-Metallic Liner (ABL) cylinder liner constructionThis process uses a double layer of plating material rather thanone thick layer. This helps...

O.S. Exhaust Pipe Nut FS-120 III
Retail: $2.29
Price: $2.09
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Availability: Available
Item #: OSMG5777 -

0-OSMG5777

O.S. Exhaust Joint Nut FS-120 Surpass
Retail: $4.99
Price: $4.49
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Availability: Available
Item #: OSMG5691 -

0-OSMG5691

O.S. Carburetor #60P FS91SII
Retail: $99.99
Price: $84.99
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Availability: Available
Item #: OSMG2432 -

0-OSMG2432

O.S. Silencer F-4020 56FS
Retail: $45.99
Price: $38.99
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Availability: Available
Item #: OSMG2950 -

This is a Silencer for the O.S. 56FS "a" 4-Stroke EngineFEATURESCast Aluminum ConstructionPre-installed Pressure TapExhaust outlet section can be rotated to the most convenientpositionsINCLUDESSilencerOne Exhaust header pipeSPECIFICATIONSLength: 3.47" (88.9mm)Width: 0.96" (24.4mm) at widest point0-OSMG2950