Li Auto L9 Front TTSPORT 8657 6-piston Rear Integrated Mechatronic EP4 4-pisiton Brake kit
Li Auto L9 Front TTSPORT 8657 6-piston Rear Integrated Mechatronic EP4 4-pisiton Brake kit
Li Auto L9 Front TTSPORT 8657 6-piston Rear Integrated Mechatronic EP4 4-pisiton Brake kit
Li Auto L9 Front TTSPORT 8657 6-piston Rear Integrated Mechatronic EP4 4-pisiton Brake kit
Li Auto L9 Front TTSPORT 8657 6-piston Rear Integrated Mechatronic EP4 4-pisiton Brake kit
Li Auto L9 Front TTSPORT 8657 6-piston Rear Integrated Mechatronic EP4 4-pisiton Brake kit
Li Auto L9 Front TTSPORT 8657 6-piston Rear Integrated Mechatronic EP4 4-pisiton Brake kit
Li Auto L9 Front TTSPORT 8657 6-piston Rear Integrated Mechatronic EP4 4-pisiton Brake kit
Li Auto L9 Front TTSPORT 8657 6-piston Rear Integrated Mechatronic EP4 4-pisiton Brake kit

Li Auto L9 Front TTSPORT 8657 6-piston Rear Integrated Mechatronic EP4 4-pisiton Brake kit

Dominate the Road with Precision Braking PowerEngineered for the L9 series, the Model 8657+EP4 Brake Kit combines...
Vendor: TTSPORT
Availability: In Stock
Product Type: Brake Kit
$1,600.00
$3,699.00
$1,600.00
Please hurry! Only 100 left in stock
Li Auto L9 Brake kit: 8657 Front 6-piston
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Description
Description
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Dominate the Road with Precision Braking Power
Engineered for the L9 series, the Model 8657+EP4 Brake Kit combines a robust 6-piston front and 4-piston rear caliper setup to deliver unmatched stopping performance. Whether navigating city streets or pushing limits on the track, this system ensures reliability, durability, and superior heat management for drivers who prioritize control and safety.

Caliper parameter table:

Caliper model: TT8657
Caliper size: L (335MM) W (165MM) H (90MM)
Piston diameter: 30MM 34MM 38MM
Installation position: Front wheel
Caliper weight: 4.05KG (single)
Number of pistons: 6 pistons
Applicable wheel hub: 18 inches and above
Manufacturing process: Split forging
Piston area: 54.95CM²
Applicable brake disc size: 355*32MM 380/405*34MM
Caliper color: Red, yellow, blue, orange, green, silver, black (customizable)
Piston type: Two-piece cooling piston with dust cover

Key Features:
✅ 6-Piston Front Calipers (8657): Massive clamping force and optimized pad distribution for aggressive stopping power, ideal for high-speed stability and reduced fade.
✅ 4-Piston Rear Calipers (EP4): Balanced rear braking ensures smooth modulation and traction control, perfect for dynamic driving scenarios.
✅ High-Performance Rotors: Lightweight, slotted, and vented discs maximize heat dissipation, resist warping, and improve wet-weather braking efficiency.
✅ Sport-Tuned Brake Pads: Hybrid compound delivers instant response, low noise, and extended lifespan for both daily and performance driving.
✅ Complete Bolt-On Upgrade: Includes all necessary components (calipers, rotors, pads, brackets, hardware) for seamless L9 integration.

Why Choose This Kit?

  • Track-Proven Design: Built to withstand extreme temperatures and repeated hard braking without compromise.

  • Weight Savings: Forged aluminum calipers reduce unsprung mass, enhancing handling and acceleration.

  • Aesthetic Excellence: Customizable caliper finishes (e.g., red, black, silver) add a sporty, premium look to your L9.

  • OE+ Compatibility: Precision-engineered for direct fitment on L9 models (verify year/trim before purchase).

Compatibility: Designed exclusively for L9 vehicles. Confirm your car’s specifications prior to installation.

Includes:

  • Front 6-Piston 8657 Calipers & Slotted Rotors

  • Rear 4-Piston EP4 Calipers & Slotted Rotors

  • High-Friction Brake Pads (Front/Rear)

  • Reinforced Mounting Brackets and Hardware Kit

  • Stainless Steel Brake Lines (Optional Upgrade)

Note: For optimal performance, use with DOT 4+ brake fluid and consult a certified technician for installation.

Upgrade with Confidence
The Model 8657+EP4 Brake Kit redefines braking excellence for the L9, blending cutting-edge engineering with driver-focused design. Perfect for enthusiasts seeking race-inspired performance without sacrificing daily drivability – stop harder, last longer, and drive smarter.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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