Bourne Oil Filler Cap The Bourne Oil Filler Cap is a premium replacement for the factory oil cap found on Hondas, Nissans and more. Designed with both performance and practicality in mind, it offers a clean, motorsport-derived upgrade for your engine bay. Machined from 6061 aluminium and electropolished to a smooth, high-sheen finish, the cap features a machined-in Bourne logo, a functional 22mm hex nut for easy removal with a socket, and lock wire holes for added security in track or race applications. Threaded to OEM spec with an M33 x 3.5mm pitch, the cap includes a high-temp Viton O-ring for superior sealing performance over standard rubber — especially in high-heat environments. Specifications: Material: 6061 aluminium Finish: Electropolished Thread: M33 x 3.5mm Seal: Viton O-ring (included) Logo: Machined Bourne branding Top Feature: 22mm hex nut for tool access Security: Lock wire holes for race use Engineered for reliability. Built for performance. Finished for those who care about the details. The Bourne Oil Filler Cap is the final touch your engine deserves.Check fitment for your engine before purchase.
