• Phenolic Spacer for Subaru EJ25

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5 mm Phenolic plate for Subaru EJ25 intake manifold

Phenolic inlet manifold gasket for your Subaru and other EJ25 engine cars acts as a barrier stopping heat transferring from the engine block through into the inlet manifold.

Stopping this heat transfer results in a cooler inlet charge temperature and in doing so increases engine power in much the same way an intercooler does, except this is able to benefit a turbo and non-turbo setup.

Our phenolic spacer for Subaru Impreza is perfect fitted item.


  • Made of 5 mm thick phenol plate
  • High load, static and dynamic resistant
  • High temperature resistant, up to 180 oC / 356 oF
  • Lightweight
  • Oil and others chemicals resistant
  • Excellent CNC quality
  • Perfect fitting to specific engine
  • Extra gain of power
  • Lowering under bonnet temperature

Phenolic spacer Subaru EJ25 fits for:

  • Subaru impreza wrx 2.0 / 2.5
  • Subaru impreza wrx sti 2.0 / 2.5
  • Subaru impreza GD GR GH GG
  • Subaru Forester SF SG SH

Based on OEM gasket number: 14035AA421 14035AA420

Please check port and bolt pattern of your engine and compare it with pictures! If this one does not match, please check our other listing with spacer for Subaru engine.

Make Subaru
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