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OS SPEED P3 Turbo Ultra Hot Glow Plug - 24k Gold

Product Description

OS SPEED edition of the P3 plug with 24k Gold coating. Developed as part of the 80th anniversary celebrations for OS 


  • Easier to tune
  • More low-to-middle range power
  • Quicker throttle response
  • Faster acceleration
  • Better mileage
  • Crisper idling, with a difference you can hear
  • Increased longevity
  • Speed P3 ideal for ultra-hot applications;

The OS P3 Plug is well suited to a wide vareity of engines, specifically those OS based .21s such as V Spec and Later VZ-B and XZ-B as well as B2101 and B2102.


O.S. glow plugs have always been tough enough to take the heat — and Speed P3 and P4 Gold Turbo Plugs with 24K gold plating take O.S. innovation to new levels! They’re the perfect complement for .18-.28 cu. in. turbo head off-road racing engines. Even more important, Speed P3 and P4 plugs boast many performance upgrades like being easier to tune, more low-mid range power, faster acceleration and more.

Vendor : O.S. ENGINES
€11.90 €13.90

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