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For UK customers, prices include VAT, customs and delivery unless checkout states otherwise. Outside the UK, shipping is shown at checkout and local customs and taxes remain your responsibility.
Lead times and urgent orders
Check timing before you commit
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Some products are made to order, imported or custom built. If timing matters, contact us before ordering and we will confirm the expected delivery timeframe.
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Powerbrake X-Line Stage 1 Big Brake Kit for Jeep Wrangler Rubicon 2019+
Enhanced Braking for Demanding Off-Road and Overland Applications
The Powerbrake X-Line Stage 1 Big Brake Kit is engineered specifically for the Jeep Wrangler Rubicon 2019+, delivering a significant upgrade in stopping power and thermal management for serious off-road, overland, and performance driving. Designed by Powerbrake’s specialist team, this kit addresses the limitations of factory braking systems under heavy loads and challenging terrain, providing consistent, confident braking when it matters most.
How the Powerbrake X-Line Kit Improves Your Jeep’s Braking
This Stage 1 kit replaces the standard brake components with high-performance alternatives tailored to the Wrangler Rubicon’s unique chassis and dynamics. The 1-piece 350x34mm slotted discs feature 48 directional cooling vanes and an integrated heat dam, maximising thermal capacity and cooling efficiency. The billet 6-piston calipers, paired with high-performance pads and stainless steel braided lines, ensure powerful, responsive braking and improved pedal feel even during repeated heavy stops.
Ideal Use Cases for the Stage 1 Big Brake Kit
This kit is ideal for Jeep Wrangler Rubicon owners who:
Regularly tackle steep descents, technical trails, or overland expeditions
Drive with increased vehicle weight from accessories, armour, or camping gear
Require reliable braking under demanding conditions, such as towing or loaded travel
Seek improved brake modulation and fade resistance over factory systems
The X-Line Stage 1 kit is recommended for most 4x4 overland and sport truck applications, offering a substantial step up in performance without the complexity of multi-piece discs.
Key Benefits of the Powerbrake X-Line Stage 1 Kit
Significantly increased thermal capacity and cooling efficiency for heavy-duty use
Tailored brake balance and torque output for the Jeep Wrangler Rubicon 2019+
Integration with ABS, EBD, and stability control systems for safe, predictable performance
Billet 6-piston calipers with stainless steel hardware for durability and reliability
Stainless steel braided brake lines for improved pedal feel and reduced fade
Comprehensive kit with all hardware and fitment instructions for straightforward installation
Installation and Compatibility Notes
The kit is designed for bolt-on installation and includes all required mounting hardware and comprehensive instructions. Each component is engineered to integrate seamlessly with the Jeep Wrangler Rubicon’s factory ABS and stability systems, ensuring compatibility and safety. Professional installation is recommended for optimal results, especially for vehicles used in extreme off-road or towing scenarios.
Solving Real-World Braking Challenges
Factory brake systems on heavily modified or loaded 4x4s often struggle with heat build-up and brake fade during extended descents or repeated heavy use. The Powerbrake X-Line Stage 1 kit addresses these issues with advanced cooling features and increased disc mass, helping to maintain braking power and control when you need it most. This upgrade is particularly valuable for drivers who demand reliable performance in remote or challenging environments.
Delivery, customs and taxes
Know the landed cost before you order
For UK customers, prices include VAT, customs and delivery unless checkout states otherwise. For customers outside the UK, local customs and taxes remain your responsibility, and shipping is shown at checkout. If a shipping option is not available, email us and we will prepare a tailored quote.
Lead times and urgent orders
Check timing before you commit
Many of the products we sell are made to order, imported or custom built, so a lead time may apply. If you need a part urgently, contact us before ordering and we will confirm the expected delivery timeframe and process.
Questions before you order
Frequently asked questions
How does this kit improve braking compared to OEM brakes?
The X-Line Stage 1 kit offers greater thermal capacity, improved cooling, and more consistent pedal feel, reducing fade and increasing stopping power under heavy loads or repeated use.
Is this kit compatible with my Jeep’s factory ABS and stability systems?
Yes, the kit is engineered to integrate with factory ABS, EBD, and stability control, maintaining all safety features and electronic aids.
What is included in the kit?
The kit includes billet 6-piston calipers, 350x34mm slotted discs, high-performance pads, stainless steel braided lines, mounting brackets, all necessary hardware, and installation instructions.
Can I install this kit myself?
The kit is designed for bolt-on installation, but professional fitting is recommended to ensure optimal performance and safety, especially for off-road or expedition builds.
Is this kit suitable for daily driving as well as off-road use?
Yes, the X-Line Stage 1 kit is suitable for both daily road use and demanding off-road or overland conditions, providing reliable performance in all scenarios.
Will this kit fit other Jeep models?
This specific kit is tailored for the Jeep Wrangler Rubicon 2019+. For other models, check for the correct application or contact for guidance.
Fitment first
Check fit before you order
Model year, engine, drivetrain, hardware and existing modifications can all change what fits. Check the applications and supplier notes above, or send us your exact vehicle and setup before ordering.
Check vehicle fitment
Need help with this product?
Send us your vehicle, year, current setup and any fitting date, event, trip or deadline before ordering. We will help check fitment, product choice and timing.