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H&R VTF Adjustable Lowering Springs for Audi R8 4S (Without Adaptive Suspension)
H&R part 23004-1 combines application-specific lowering springs with threaded, height-adjustable spring seats so ride height stays continuously adjustable on the Audi R8 4S built without the adaptive damping (magnetic ride) system. The kit retains the factory dampers, and installation requires pressing the supplied height adjusters onto the strut bodies.
Key Features
- Application-specific front and rear coil springs paired with threaded height-adjustable spring seats.
- Ride height is continuously adjustable within the approved range rather than fixed at a single drop.
- Retains the factory dampers, no adaptive-suspension electronics are affected on this non-adaptive application.
- Rear helper springs and modified bump stops extend spring travel for controlled ride quality at lower ride heights.
- Powder-coated steel springs resist corrosion and sag.
- Engineered, manufactured, and tested in Germany, with part 23004-1 covered by a TUV Rheinland technical approval for this application.
Fitment
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2023 | Audi | R8 Coupe V10 | 4S AWD/RWD Without Adaptive Suspension |
| 2017-2023 | Audi | R8 Coupe V10 Plus | 4S AWD/RWD Without Adaptive Suspension |
| 2017-2023 | Audi | R8 Spyder V10 | 4S AWD/RWD Without Adaptive Suspension |
| 2017-2023 | Audi | R8 Spyder V10 Plus | 4S AWD/RWD Without Adaptive Suspension |
Specifications
| Detail | Value |
|---|---|
| Brand | H&R |
| Manufacturer part number | 23004-1 |
| Product type | VTF Adjustable Lowering Springs |
| Approximate front lowering | 0.75 - 1.6 in |
| Approximate rear lowering | 0.75 - 1.6 in |
| Front spring wire diameter | 11.5 mm |
| Rear spring wire diameter | 12.0 mm |
| Spring finish | Powder coating |
| Certification | TUV Rheinland Teilegutachten 172XT0210-03 |
| Country of manufacture | Germany |
| Warranty | 2-year limited warranty |
What's Included
- Two front axle main springs (H&R 23004-1 VA).
- Two rear axle main springs (H&R 23004-1 HA) with two rear helper springs.
- Two front height-adjustable spring seats and two rear height-adjustable spring seats.
- Modified front and rear bump stops with extended spring travel.
About H&R
H&R Spezialfedern GmbH & Co. KG engineers and manufactures suspension springs in Lennestadt, Germany, and has produced application-specific lowering springs and coilover suspension for performance and OE vehicles for decades, including part 23004-1 for the R8 platform. H&R's VTF Adjustable Lowering Springs line lets owners fine-tune ride height while keeping the vehicle's factory dampers in place.
Related Parts
- H&R 11-16 BMW 528i/535d/535i/550i F10 VTF Adjustable Lowering Springs (Incl. EDC)
- H&R 16-18 BMW M2 F87 VTF Adjustable Lowering Springs (Incl. Adaptive M Susp.)
- H&R 17-22 Audi R8 Coupe V10 (AWD/RWD) 4S VTF Adjustable Lowering Springs (w/Adaptive Suspension)
- H&R 18-22 Audi A5 Coupe Premium/Premium Plus (AWD) B9 VTF Adjustable Lowering Springs (Incl. MRC)
FAQ
Does this kit work with the R8's adaptive suspension?No. This kit is built for R8 4S models without the adaptive damping (magnetic ride) system. Vehicles equipped with adaptive suspension require a different H&R part number.
Can the ride height be adjusted after installation?Yes. The threaded height-adjustable spring seats allow ride height to be raised or lowered within the approved range without replacing the springs.
Does the kit include new bump stops?Yes. Modified front and rear bump stops with extended spring travel are included to match the lowered ride height.
Is a wheel alignment required after installation?Yes. Wheel alignment should be checked and adjusted whenever ride height is changed.
Does this kit replace the factory dampers?No. The factory dampers are retained. Only the springs and spring seats are replaced.
Is professional installation required?Yes. Installation should be performed by a qualified suspension technician, and the warranty may be voided if the product is not installed correctly.
What is the warranty on this kit?H&R covers VTF Adjustable Lowering Springs kits with a 2-year limited warranty against defects in materials and workmanship.
Will non-standard wheel and tire combinations still be covered by the certification?The TUV approval on file covers the vehicle's standard wheel and tire combinations. Non-standard combinations require a separate expert assessment.
Installation Instructions
- Support the vehicle and remove the wheels to access the front and rear struts.
- Remove the strut assemblies following the vehicle manufacturer's service procedure.
- Press off the factory lower spring plate and clean the strut threads.
- Install the supplied height-adjustable spring seats and set the initial ride-height dimension within the approved range.
- Install the new front and rear springs, including the rear helper springs, verifying spring markings are legible and properly seated.
- Install the modified bump stops on both axles.
- Reinstall the struts, torque all fasteners to factory specification, and reinstall the wheels.
- Check and adjust wheel alignment and headlight aim after ride height has settled.
H&R
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