Description
Dual-pump HPFP kit for the naturally aspirated 4.2L FSI V8, covering both factory high pressure pumps. Part of Autotech’s HPFP range, made in California with a lifetime warranty.
Key Features:
- Match-ground and serialised: Each piston and cylinder is precision-ground repeatedly through manufacture and paired as a set, not assembled from batch parts.
- Plasma DLC coating: Autotech were first to apply diamond-like carbon to HPFP internals to cut friction. The coating works because the parts are engineered around the process rather than coated afterwards.
- Removes the pump as a limit: Flow headroom of up to 50% over the factory pump, so fuel delivery stops being the constraint even on large turbo upgrades.
- Tuner-supported: HPFP-specific calibrations are widely available, so the hardware has software behind it.
- Lifetime warranty: Autotech warrant their parts to the original purchaser for the life of the vehicle they are fitted to.
Fitment:
- Audi 4.2L V8 FSI naturally aspirated
- Audi B7 RS4 4.2 FSI
- Audi R8 4.2 FSI
Supplied as a pair of kits. Aimed at forced-induction conversions and high-output builds on the 4.2 FSI.

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