Land Rover Mileage Freezers / Blockers – Supplied & Fitted by Onyx Performance
At Onyx Performance, we offer Land Rover Mileage Freezers / Blockers, professionally supplied and fitted for your vehicle. These modules allow you to pause or slow down mileage recording when testing your vehicle off-road or on a Dyno, ensuring accurate performance evaluations.
Why Choose Our Land Rover Mileage Blockers?
✅ Professional Installation – Our experienced technicians handle the fitting, preventing costly damage to your speedometer or dashboard, which can be expensive to repair.
✅ Plug & Play – No Modifications Required – Our system is completely reversible, with no soldering or cutting of cables or electronic components needed.
✅ Simple & Convenient Control – The module remembers the last-used setting, so you don’t need to reactivate it every time you start your vehicle.
✅ Multiple Mode Options – Choose from different settings:
- Increase Mileage by a Set Percentage (Varies by model)
- Completely Stop Mileage Recording
- Deactivate the Blocker Anytime
✅ Fully Functional Systems – The blocker ensures that all vehicle assistance features, such as cruise control, remain fully operational.
✅ Supplied & Fitted Within 1 Day – Our state-of-the-art workshop in Slough, Berkshire provides a fast and hassle-free installation, along with a simple tutorial on how to use the module.
✅ Finance Available – 0% Interest – Spread the cost with four easy monthly payments at 0% interest.
✅ VAT Included – All prices are fully inclusive of VAT, with no hidden fees.
Compatible Land Rover Models
We supply and fit Mileage Freezers / Blockers for the following Land Rover models:
? Defender (L663)
? Discovery 4 (L319)
? Discovery 5 (L462)
? Freelander 2 (L359)
? Range Rover Evoque (L538, L551)
? Range Rover Sport (L320, L494, L461)
? Range Rover Velar (L560)
? Range Rover (L322, L405, L460)
If your model is not listed, feel free to contact us for compatibility confirmation.
How to Order & Book Your Installation
1️⃣ Order Online – Select your Land Rover model and purchase your mileage freezer/blocker via our website.
2️⃣ Call to Book – Once your order is placed, call us at 01753 439321 to schedule your installation appointment.
3️⃣ Visit Our Workshop in Slough – Bring your vehicle to our Slough-based workshop, and our experts will install the blocker within one day.
? Onyx Performance, Unit F2, Deseronto Trading Estate, Slough SL3 7EW
? For any enquiries, call us on 01753 439321
Why Choose Onyx Performance?
✔ Expert installation with no risk of speedometer damage
✔ Fast and professional service – fitted within a day
✔ Plug & Play – No permanent modifications required
✔ 0% finance options available
✔ Fully VAT-inclusive pricing – no hidden costs
Upgrade your Land Rover’s performance testing capabilities today with our Mileage Freezers / Blockers – professionally installed at Onyx Performance, Slough! ??



