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Description
Product Overview
Unlock serious braking performance for your SEAT Leon Cupra 5F with the XC3 BTCC Big Brake Kit. Built around AP Racing CP9660 Pro 5000 R six-piston calipers, ex-BTCC 368mm x 36mm floating rotors and XC3 precision-engineered mounting components, this complete front brake upgrade is designed for fast road, track day and clubsport use. The kit increases thermal capacity, improves braking consistency and gives the Leon Cupra 5F a proven motorsport brake package with strong consumable options.
Key Features
- AP Racing CP9660 Pro 5000 R six-piston calipers
- Ex-BTCC 368mm x 36mm floating brake rotors
- XC3 anodised aluminium rotor bells
- XC3 anodised caliper brackets
- AP Racing floating bobbin hardware
- Braided front brake lines
- Chemi black high-tensile bracket hardware
- Ex-BTCC Raybestos ST45 brake pads included
- Project Mu H21 pads available on request
- Designed for SEAT Leon Cupra 5F
- XC3 manufactured components covered by our Lifetime Warranty
Product Description
The SEAT Leon Cupra 5F is a capable performance platform, but repeated hard braking on road or track can quickly expose the limits of the standard front brake setup. Higher power, sticky tyres and longer sessions create more heat, more pad demand and less braking consistency.
The XC3 BTCC Big Brake Kit solves this by combining motorsport-derived 368mm x 36mm floating rotors with AP Racing CP9660 six-piston calipers. The larger rotor size improves heat capacity, while the floating bobbin assembly allows controlled rotor expansion under temperature. XC3-designed bells and caliper brackets ensure correct fitment, caliper alignment and pad sweep on the Leon Cupra 5F chassis.
The supplied rotors and pads are inspected ex-BTCC components. This allows customers to access high-level motorsport hardware at a more cost-effective price point than a fully new equivalent setup. Some cosmetic marks and signs of previous motorsport use should be expected.
What’s Included
- 2 x AP Racing CP9660 six-piston calipers
- 2 x ex-BTCC 368mm x 36mm rotors
- 2 x XC3 anodised rotor bells
- 2 x XC3 anodised caliper brackets
- 2 x AP Racing bobbin kits
- 1 x pair braided brake lines
- Chemi black bracket hardware
- Ex-BTCC Raybestos ST45 brake pads
Vehicle Fitment
- SEAT Leon Cupra 5F
Professional installation required. Wheel clearance must be checked before ordering, especially with aftermarket wheels. These kits may be made to order depending on stock availability.
Warranty, Shipping and Returns
Products are supplied with the applicable manufacturer warranty. We offer UK and worldwide shipping. Please refer to the live availability information and our shipping and returns policies before ordering.
Finance Options
Klarna payment options are available at checkout where eligible.
Why buy from us?
Why buy from us?
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Specifications
- Brand
- XC3 Engineering
- Product type
- Brakes
- SKU:
- sku-53238837707019
- Caliper Finish
- Anodised Grey
- Brake Pads
- Without Pads

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Need help?
Product questions answered
Helpful answers before you order. Need more detail? Our team can help.
How do I confirm this part fits my vehicle?
Check the model, year, engine, chassis and any exclusions in the product description. Select the required option before adding to your basket. The vehicle selector helps narrow your search; contact us if your car has different factory options or existing modifications.
Can I order this for a modified car?
Existing modifications can change compatibility. Tell us which related parts are already fitted and how you use the car so we can help you check the right specification before ordering.
When will my order arrive?
Select your required option and check the live availability message above. Dispatch is when your order leaves us; delivery takes additional time and depends on the service and destination. If no verified lead time is shown, or you need the item for a fitting appointment or event, contact Nineteen72 Performance before ordering.
What is included in the price?
Check the product description, selected option and stated quantity before ordering. Images may show optional equipment or an example installation. If you need a matching pair, a complete kit or additional hardware, ask us to confirm exactly what is included.
How do I get help before ordering?
Contact Nineteen72 Performance with a link to this product and your question. For vehicle-specific parts, include your model, year, engine and any modifications that may affect compatibility.
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