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Grimmspeed The Bolt Oil Cap (Yellow Zinc) - Subaru WRX / STI VA


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GrimmSpeed wanted to design an oil cap to improve the engine bay aesthetics, all while making a statement. This oil cap has been designed to mainly resemble an OEM zinc-coated bolt which is found many times in the engine bay.




  • Yellow zinc coated finish
  • Machined from 6061 billet aluminum materials 
  • OEM size in diameter
  • Will not interfere with any hoses or intercooler piping
  • Includes replacement oil cap O-ring