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On/Off Switch

On/Off Switch

17.77

Smoke Valve with servo controlled on/off switch.
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GT33 with wrap around exhaust

GT33 with wrap around exhaust

351.11

GT-33 is in a class of its own.Like the GT22 it has the rear mounted Walbro carb with reed valve ...
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One Way Valve

One Way Valve

6.11

One way valve which is suitable for glow; diesel or petrol. !!<Glow OnlyPetrol Only Suitable for Glow ...
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FS-95V

FS-95V

270.00

The first in a completely new series of four stroke engines. With its deliberately 'retro' styling reminiscent of the very first OS four strokes. The original ...
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Four Stroke Exhaust Systems

Just Engines Online |  Four Stroke Exhaust Systems

Four Stroke Manifolds

Large 4 stroke manifold selection!

Four Stroke Silencers

Silencers to fit O.S. and O.S. compatible engines.

Four Stroke Custom Exhausts

An example of our custom exhaust build service for four stroke engines

Four Stroke TurboHeaders

TurboHeaders™ - A compact alternative to the stock muffler that will fit inside most cowlings.

Exhaust Accessories

Exhaust Accessories

Click here for Exhaust Accessories such as Deflectors, Extensions, Tubes, Clamps, and Joiners.

Just Engines Information

  • Just Engines Exhaust Information
  • Just Engines Online |  Four Stroke Exhaust Systems

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