Endura | ENDURA-HPFPKIT-RS6C7
Upgrade your Audi RS6 / RS7 C7 4.0 TFSI engine with the Endura Motorsport High Pressure Fuel Pump (HPFP) Piston Upgrade Kit - The solution for those who want more power from the 4.0T V8 without compromising reliability. This kit replaces the original high-pressure fuel pump pistons and increases fuel capacity by up to 35%. Perfect when using E85, racing fuel or an aggressive petrol tune. Thanks to the precision-milled parts and DLC coating maintains reliability even under prolonged high pressure. The supplied fuel pump tool makes installation quick and safe – completely plug & play.
Advantages
• Fit guarantee: perfect fit, just like original
• Up to 35% more flow then OEM HPFP
• Moves the fuel limits of the Audi 4.0T engine
• Supports E85, racing fuel and gasoline tunes
• Precision milled with aerospace tolerances
• Plug & play installation - no permanent adjustments required
• DLC coating reduces friction and extends service life
• Perfectly matched piston and cylinder for ultimate accuracy
• Inclusive fuel pump tool for easy mounting
Technical specifications
• Piston thickness: 11.6 mm
• Coating: DLC (Diamond-Like Carbon)
• Reliably tested on 300+ bar
• Essential upgrade for Stage 3 and heavier setups
• Designed for OEM HPFP housing
Compatibility
• Audi RS6 C7 / RS7 C7 - 4.0 TFSI V8
• Also suitable for RS6 C6 with custom mapping
• Plug & play mounting without additional parts
Contents
• HPFP piston upgrade kit (set of matched pistons and cylinders)
• Fuel pump tool for mounting
Frequently Asked Questions
Is tuning mandatory?
Yes, one ECU recalibration is necessary to safely utilize the higher flow, especially when using E85.
Can this run without ethanol?
Yes, even when using regular gasoline, the upgrade provides benefits at high power outputs, but the biggest gains are achieved with E85 setups.
Can I install this myself?
The installation is plug & play, but we recommend having this done by an experienced technician due to the precision of the HPFP.