We're very happy to release this one-of-a-kind PRP Billet Oil Filler Cap designed specifically for Nissan and Holden RB30 SOHC engines. It's billet machined, comes in all your favourite PRP colours, and will set off any engine bay with unmistakable style. What more could you want?! At Culture Automotive, we believe our products must stand out with a certain PRP flair, and we think we've achieved just that. Built by enthusiasts, for enthusiasts, this premium part perfectly complements your performance build and reflects the culture we live by.