FORGE MOTORSPORT / FMDV27A
Forge atmospheric twin-valve kit — Audi RS4 B9 / RS5 F5
£388.58
Includes 20% VAT and standard Great Britain delivery. Remote areas require a quote.
Available to order · Supplier-sourced
Audi RS4 B9 (Forge application: 2019–2025) and Audi RS5 F5 (2017 onwards), with the matching 2.9 V6 twin-turbo installation. Confirm the model year, engine and existing valve connectors.
About this kit
- Pair of atmospheric valves with a wiring harness for the specified RS4 / RS5 installation.
- Billet aluminium bodies with serviceable piston internals.
- A complete twin-valve kit; the displayed price is for the kit, not one valve.
Included
- Two valve assemblies, sealing O-rings and uprated springs.
- Vacuum tubing, solenoid and wiring harness.
- Cable ties, bracket and installation hardware.
Available to order. Supplied from Forge Motorsport; dispatch timing depends on supplier stock. Contact us if you need delivery by a specific date.
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Vehicle fitment
Applications supplied by Forge Motorsport, checked 6 November 2026. A model entry is a shortlist: confirm the engine, original valve, connector and installation instructions before ordering.
View all 2 manufacturer applications
| Make | Model / generation / engine |
|---|---|
| Audi | RS4 > B9 (2019-2025) |
| Audi | RS5 > 2017 Onwards (F5) |
FMDV27A is the atmospheric twin-valve kit. Check the supplied hardware against Forge’s FMDV27 fitting instructions before installation. Not for a generic A4/A5 or earlier RS4/RS5 engine.
Fitting instructions
Official Forge videos
Product and support videos supplied with this part by Forge. Some clips cover general valve care or the wider range. Select a video to load YouTube.