AFR Billet HPFP Cap - Golf R / GTI / Audi S3 - V3

AFR Billet HPFP Cap V3 for Golf R, GTI & Audi S3

Ditch the factory plastic cap and build a fuel system that can keep up. The AFR billet HPFP cap gives Golf R, GTI, and Audi S3 owners a leak-free, high-flow connection point with an integrated -6AN fitting built in.

Why This Cap

• Billet construction: A stronger, more durable, better-looking replacement for the factory plastic HPFP cap.
• Integrated -6AN fitting: No separate adapter required, for a cleaner installation and fewer potential leak points.
• High-flow, leak-free design: Built for TSI-powered Golf R, GTI, and Audi S3 platforms running upgraded fuel systems.
• V3 revision: The latest version of the AFR HPFP cap design.
• Reuses your factory internal plate: Press it out of the OE cap and into the AFR billet cap for correct internal geometry.
• Proven on the track: Tested on an AFR-built 10-second Golf R.
• Made in Canada: Precision-machined and backed by the AFR team.

Ideal for anyone building a port injection setup or upgrading fuel lines on their TSI platform, this billet HPFP cap lets you run -6AN line straight off the pump for a cleaner, high-flow fuel system.

For track or off-road use only.

Installation Notes

Use fuel-safe Teflon tape on all threaded surfaces and double-check for leaks after installation. The factory screen filter will likely be sacrificed when transferring the internal plate; AFR recommends installing an inline filter in its place.

For installation questions, contact sales@afrautoworks.com.

Upgrade your fuel system with a cap built to keep up with your build: the AFR billet HPFP cap for Golf R, GTI, and Audi S3.