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TF638 - 340mm Big Brake Upgrade: CDG Perf by TerrafirmaBrake Part Land Rover Range Rover

TF638 - Big Brake Kit – 340mm – CDG – Performance Pads

- €350,00
€350,00
€350,00 - €350,00
€350,00
OEM Part
OEM: Made by an Original Equipment Manufacturer. This part is made by an original equipment manufacturer or under their license, ensuring compatibility and quality.
Brand Terrafirma
Front Brake Upgrade Kit - 340mm. A front disc conversion for the front braking circuit, raising rotor diameter from the standard 320mm to 340mm.

The larger rotor lengthens the effective braking radius and adds thermal mass at the front axle, increasing stopping power and resistance to fade under repeated or heavily laden braking. The kit contains the caliper mounting brackets that reposition the original caliper over the larger rotor, the front brake discs and a matched set of front brake pads. The original front calipers are retained and the hydraulic circuit is not opened, so no brake bleeding is required on completion.

Supplied with cross-drilled and grooved discs and a performance friction compound, which offers a higher coefficient of friction and greater fade resistance at elevated temperature than a standard road pad. The drillings and grooves vent gas and dust away from the pad face, helping keep bite consistent when hot or wet.

Intended for vehicles originally fitted with 320mm front discs.

Vehicle Model Land Rover Discovery 3 2005-2009 (L319)
Land Rover Discovery 4 2010-2016 (L319)
Range Rover Sport 2005-2013 (L320)
Fitment Notes DISCOVERY 3 2005-2009 — Terrafirma performance pads and Terrafirma CDG discs
DISCOVERY 4 2010-2016 — Terrafirma performance pads and Terrafirma CDG discs
RANGE ROVER SPORT L320 2005-2009 — Terrafirma performance pads and Terrafirma CDG discs (fits 2005-2009 only)
Alternative Codes
TF638

Available to order 2–3 weeks

Not currently in stock. Order now — typically ships within 2–3 weeks.

Need it faster? Contact us about express import (2–5 business days).

When will my order arrive?

This item is ordered from our supplier on request. Typical lead time is 2–3 weeks from order confirmation.

  • Netherlands / Belgium / Germany: 2–4 working days after dispatch.
  • Other EU countries + UK: 4–8 working days after dispatch.
  • Outside EU/UK: contact us for an estimate.

Need it faster? Express import available in 2–5 business days — contact us before ordering.

Job kits containing this part

This part is included in 0 job kit(s) below. Pick the kit that matches your vehicle and job, then add what you need.

Frequently asked questions

What is the TF638 big brake kit?
The TF638 is a 340mm front brake upgrade kit for the Discovery 3, Discovery 4 and Range Rover Sport L320 (2005-2009). It raises the front disc from 320mm to 340mm and retains the original calipers, supplying repositioning brackets, Terrafirma CDG discs and performance pads.
How is this different from the 360mm kits?
The TF638 keeps your original front calipers and moves them out on brackets to suit a 340mm disc, where the 360mm kits (TF633, TF637) replace the calipers entirely. The 340mm route is simpler and lower cost; the 360mm route gives the larger rotor.
What does the 340mm disc improve?
The larger 340mm rotor lengthens the braking radius and adds thermal mass at the front axle over the standard 320mm, increasing stopping power and fade resistance under repeated or laden braking on the Discovery and Range Rover Sport.
Which vehicles does it fit?
The TF638 fits the Discovery 3 (2005-2009), Discovery 4 (2010-2016) and Range Rover Sport L320 (2005-2009 only). Check wheel clearance for the 340mm disc before ordering, as fitment varies with wheel design.