Description
Increase high-pressure fuel capacity on supported Audi EA837 3.0T Supercharged platforms with TGK Motorsport’s larger precision-machined HPFP piston. The upgrade is designed to support the additional fuel demand of ethanol blends, race fuel, and higher-output pump-gas tuning.
Key details
- 11.65 mm piston diameter versus the 9.98 mm factory piston.
- Approximately 36.27% more calculated flow area than stock.
- Hardened tool-steel piston with a low-friction DLC coating.
- Includes the piston/top hat, seals, tappet/cam roller, and specialized installation tool.
Critical fitment note: Supplier-listed for B8/B8.5 S4, S5, Q5, and SQ5 applications. It does not fit the 3.0T CREC engine. Confirm engine code before ordering; professional installation and tune review are recommended.


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