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Product reference: ADDPT
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The STP Petrol Treatment is specially formulated to improve engine performance and reduce fuel consumption by fighting the build-up of harmful dirt, varnish and deposits in the fuel system.

  • Improves fuel economy by up to 4%
  • Prevents hesitation and power loss
  • Keep carburettors and fuel injectors clean
  • Controls corrosion preventing filter blockage
  • Reduces intake valve deposits
  • Fights rust in the fuel system
  • Reduces exhaust emissions
  • Allows water to separate cleanly
  • Safe for catalytic converters
  • For best results use every 1,500 kilometres
  • Reduces petrol consumption
  • Easy pour pack - just add into your fuel tank


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About Deevys

Established in 1935 by Clement Joseph Deevy (C.J. Deevy) and succeeded by Alan Deevy. Developed into Motor accessories in 1964 then also Marine chandlery in 1996. Mark & Colm Deevy have been running the business since the mid 1990's expanding and developing the business. Our key focuses have been consumer satisfaction and expert advice.

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+353 51 874477
Deevys Motor & Marine Accessories
Parnell Street

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