Brembo GT-M4 Rear 4-Piston Big Brake Kit
- Brembo
- Rear
- 4-piston
- Street
- Passenger Car
We'll confirm the exact color with you before we build the kit.
- Complete Brembo kit — everything for one axle
- Checked against your car before it ships
- Warranty & returns
- Installation help
- Built to order — ships in about 15 business days
About this kit
A complete rear big brake kit for the GWM Cannon Alpha, GWM Tank 300, Jeep Wrangler JK and more. It uses two Brembo GT-M4 4-piston calipers and a pair of rotors (345–380 mm) in high-carbon steel or carbon-ceramic, plus pads, braided lines and mounting hardware.
We match the mounting brackets to your car. You'll need at least 18-inch wheels with enough room for the caliper. Not sure? Send us your wheel details.
You choose the rotor size, rotor material and caliper color. Caliper colors: Red, Yellow, or a custom color.
Built to order. It ships in about 15 business days.
Fits these cars
- GWM Cannon Alpha Recommended rotor size by kit: GT-M4 Ø355 × 28 mm (at least 18-inch wheels).
- GWM Tank 300 Recommended rotor size by kit: GT-M4 Ø355 × 28 mm (at least 18-inch wheels).
- Jeep Wrangler JK Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Jeep Wrangler JL Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Lexus GX460 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Lexus GX550 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Lexus LX570 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Mercedes-Benz GLS X166 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Porsche 718 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Porsche 911 992 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Porsche Macan Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Toyota Land Cruiser 200 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Toyota Land Cruiser 300 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Toyota Land Cruiser Prado 150 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Toyota Land Cruiser Prado 250 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Toyota Sequoia XK80 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Toyota Tundra XK70 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Alfa Romeo Giulia 952 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Alfa Romeo Giulia Quadrifoglio 952 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A4 Allroad Quattro B8(8K) Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A4 Allroad Quattro B9(8W) Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A4 Avant B8(8K) Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A4 Avant B9(8W) Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A4 B8(8K) Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A4 B9(8W) Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A4L B8(8K) Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A4L B9(8W) Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A5 Cabriolet 8F7 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A5 Cabriolet F57 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A5 Cabriolet F5E Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A5 Coupe 8T3 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A5 Coupe F53 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A5 Coupe F5P Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A5 Sportback 8TA Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A5 Sportback F5A Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A5 Sportback F5F Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A6 Allroad 48V C8(4A) Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A6 Avant C7(4G) Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A6 Avant C8(4A) Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A6 C7(4G) Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A6 C8(4A) Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A6L 48V C8(4K) Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A6L C7(4G) Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A6L C8(4K) Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A7 Sportback 48V 4KA Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A7 Sportback 4G8 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A7 Sportback 4KA Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A7L 48V MLB EVO Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A7L MLB EVO Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
- Audi A8L 48V D5 Recommended rotor size by kit: GT-M4 Ø380 × 28 mm (at least 19-inch wheels).
Kits are matched to the cars listed by make, model and years. Wheels, hubs and trim levels can still differ, so check your car and wheels before you order, or ask us.
Car not listed? Ask us →Specifications
| Brand | Brembo |
|---|---|
| Part type | Big Brake Kit |
| Axle position | Rear |
| Piston count | 4 |
| Caliper mounting | Vehicle-specific bracket mount |
| Rotor Material | High-Carbon Steel, Carbon Ceramic |
| Rotor Size | Ø345 × 28 mm, Ø355 × 28 mm, Ø380 × 28 mm |
| Caliper Color | Red, Yellow, Custom Color |
| Minimum wheel size | 18" |
| Pad compound (included) | M-01 |
| Caliper material | Forged aluminum alloy |
| Caliper bracket | High carbon steel, CNC-machined |
| Brake lines | Three-layer reinforced construction, PTFE inner liner / SUS304 stainless-steel braid / PVC protective outer sheath |
| Intended use | Street |
| Vehicle class | Passenger Car |
| SKU | BR-GT-M4-CI-345X28-RED |
| Lead time (approx.) | 15 business days |
Brake pad compounds
| Compound | Intended use | Rotor | Max temp | Avg μ |
|---|---|---|---|---|
| M-01 · STREET included | Street — daily driving and commuting | High-Carbon Steel | 600 °C | 0.38 |
| M-02 · STREET+ | Street+ — spirited road driving | High-Carbon Steel | 650 °C | 0.42 |
| M-03 · CCB+ | Carbon-ceramic rotors only — street and track | Carbon Ceramic | 750 °C | 0.44 |
Pad compound is matched to the rotor material you select. Iron-compatible pads must not be fitted to carbon-ceramic rotors, or the other way round.
What's in the box
- Brake calipers × 2
- Brake pads (one axle set) × 4
- Brake rotors × 2
- Stainless-steel braided brake lines × 2
- Vehicle-specific caliper mounting brackets × 2
- Mounting hardware × 1 set
About the brand
Brembo
Italian brake specialist founded in Bergamo in 1961. Brembo calipers are fitted as original equipment by many performance marques and its GT ranges are the most widely used aftermarket big brake kits.
All Brembo kits →Common questions
Will it fit my wheels?
Big calipers need room inside the wheel. Check the minimum wheel size in the specifications. If you're not sure, send us your wheel make and size and we'll check.
Do I need new brake lines or fluid?
Braided lines come with the kit. You'll need fresh DOT 4 fluid and a full bleed after fitting.
Can I fit it myself?
If you're used to brake work and have a torque wrench, yes. If not, have a workshop fit it. Our installation page covers the basic steps and bed-in.
Similar kits
Not sure what fits?
Send us your car and wheels. We'll tell you what fits.
Year, make, model, wheel size, and whether it's for the street or the track. We reply by email within one business day.