6-Piston Forged Caliper
Six forged pistons per caliper in a staggered 30 / 34 / 38 mm layout balance pad pressure from leading to trailing edge.
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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
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Description
Classic 8657S Front Wheel 6-Piston Big Brake KitClassic Series Front Axle 6 Piston Classic 8657S Front 6 Piston Big Brake Kit The TTSPORT Classic 8657S is a front 6 piston big brake kit built around a two piece forged aluminum caliper, staggered pistons, and two piece internally vented rotors. It targets drivers who want stronger thermal capacity, sharper pedal modulation, and repeatable stops without moving into a pure race only setup. Why Builders Choose the 8657S 6 Piston Forged Caliper Six
Classic Series · Front Axle · 6-Piston
Classic 8657S Front 6-Piston Big Brake Kit
The TTSPORT Classic 8657S is a front 6-piston big brake kit built around a two-piece forged aluminum caliper, staggered pistons, and two-piece internally vented rotors. It targets drivers who want stronger thermal capacity, sharper pedal modulation, and repeatable stops without moving into a pure race-only setup.
Why Builders Choose the 8657S
55.0 cm² Piston Area
55.0 cm² total piston area per caliper gives the 8657S strong clamp force with linear pedal response.
355–405 mm Two-Piece Rotors
Two-piece internally vented rotors range from Ø355 mm × 32 mm to Ø405 mm × 34 mm for street, track-day, and high-speed braking setups.
Two-Piece Forged Aluminum Body
The 8657S caliper uses a two-piece forged aluminum body for stiffness under load, with 4.05 kg caliper net weight without pads.
Heat-Insulated Pistons
Heat-insulated two-piece pistons with dust boots slow heat transfer into the brake fluid, helping protect pedal feel during repeated stops.
Steel or CCB Rotor Options
Choose heat-treated high-carbon steel for predictable street and track-day use, or carbon-ceramic for lower rotating mass and higher thermal ceiling.
Technical Specifications & Kit Options
| Brake Caliper | ||
|---|---|---|
| Series | Classic Series | |
| Model / Application | 8657S | |
| Axle Position | Front | |
| Piston Count | 6-piston | |
| Piston Type | Two-piece heat-insulated pistons with dust boots | |
| Piston Diameter | 30 mm × 2 / 34 mm × 2 / 38 mm × 2 | |
| Caliper Dimensions | L 350 mm × W 165 mm × H 92.64 mm | |
| Total Piston Area | 55.0 cm² per caliper | |
| Manufacturing Process | Two-piece forged aluminum body | |
| Net Weight | 4.05 kg per caliper (without pads) | |
| Surface Finish | High-temperature gloss coating | |
| Recommended Wheel Size | 18 in or larger | |
| Recommended Rotor Size | Ø355–405 mm × 32–34 mm | |
| Brake Rotor Options | ||
| Rotor Option | Steel / Option A | CCB / Option B |
| Rotor Material | Heat-treated high-carbon cast iron | Carbon-ceramic composite |
| Axle Position | Front | Front |
| Rotor Dimensions | Ø355×32 / Ø380×34 / Ø405×34 mm | Ø355×32 / Ø380×34 / Ø405×34 mm |
| Construction | Two-piece | Two-piece |
| Ventilation | Internally vented | Internally vented |
| Rotor Mounting | Fixed or floating, size/application dependent | Floating |
| Directional Design | Yes — left/right specific | Yes — left/right specific |
| Rotor Face Pattern | Curved / Grain / Wave slot or Drilled & Slotted | Cross-drilled |
| Brake Pad Options | ||
| Pad Option | Steel Pad | CCB Pad |
| Compatible Rotor Material | Iron/steel rotors only | Carbon-ceramic rotors only |
| Operating Temperature Range | 0–600 °C | 0–700 °C |
| Average Friction Coefficient | μ 0.38, varies with temp / pressure / rotor | μ 0.45, varies with temp / pressure / rotor |
| Lines | ||
| Brake Line Construction | Three-layer construction | |
| Brake Line Material | PTFE inner / SUS304 stainless braid / PVC outer | |
| Brake Line Fittings | Vehicle-specific, caliper- and chassis-side | |
| Brackets | ||
| Rotor Hat Manufacturing Process | CNC-machined | |
| Rotor Hat Material | High-strength aluminum alloy | |
| Caliper Bracket Manufacturing Process | CNC-machined | |
| Caliper Bracket Material | Carbon steel | |
| Caliper Mounting Type | Radial mount with vehicle-specific brackets | |
| Fitment & Installation | ||
| Minimum Spoke Clearance | 107 mm | |
| Recommended Wheel Size | 18 in or larger | |
| Rotor Diameter Selection | 355, 380, or 405 mm, selected according to vehicle application and wheel clearance | |
| Bedding-In Procedure | Required | |
Pads are rotor-specific. Iron/steel pads run on steel rotors; CCB pads run on carbon-ceramic rotors only. Do not cross-mount.
Package List
Calipers ×2
Two front 6-piston forged calipers.
Brake Pads
Matched brake pad set for the selected rotor material.
Brake Rotors ×2
Two two-piece internally vented rotors with CNC aluminum hats.
Caliper Brackets ×2
Application-specific CNC carbon-steel mounting brackets.
Rotor Hats ×2
CNC aluminum rotor hats.
Brake Hoses ×2
Stainless-steel braided brake lines with vehicle-specific fittings.
Will It Fit? Your 3-Step Check
The 8657S is a platform-adapted front big brake kit. Caliper brackets, rotor size, and brake-line fittings are built to your specific vehicle. Before ordering, confirm wheel inner-barrel clearance, spoke profile, wheel offset, and rotor diameter against your current setup.
1. Wheel Diameter
Minimum recommended wheel size is 18 inches.
2. Spoke Clearance
Minimum spoke clearance is 107 mm. Wheel offset, spoke profile, and rotor size all affect fitment.
3. Vehicle Model
Confirm your year, make, model, and wheel specs so the correct caliper brackets, rotor size, and brake-line fittings can be selected.
We recommend a clearance check or template fit before installation.
Installation & Break-In
- Radial mount with vehicle-specific brackets.
- Brake-line fittings are vehicle-specific on the caliper side and chassis side.
- Rotor size and mounting hardware must be confirmed for your specific vehicle.
- Proper bed-in is required to transfer an even pad layer to the rotor face.
- Bedding-in stabilizes friction and helps prevent judder.
- Follow the included procedure before any aggressive braking.
Frequently Asked Questions
Will the 8657S fit my vehicle?
This is a platform-adapted big brake kit. Caliper brackets, brake-line fittings, rotor size, and wheel clearance must be confirmed for your specific car before ordering. Contact us with your year, make, model, and wheel specs and we will confirm the correct configuration.
What wheel size do I need to clear the 6-piston caliper?
Minimum recommended wheel size is 18 inches, with at least 107 mm of spoke clearance. Wheel offset, spoke profile, and rotor size all affect fitment, so we recommend a clearance check or template fit before installation.
Should I choose steel or carbon-ceramic (CCB) rotors?
Heat-treated high-carbon steel rotors offer strong thermal capacity, predictable feel, and lower replacement cost for street and track-day use. CCB rotors cut rotating mass, raise the operating ceiling to ~700 °C, and pair with a higher-friction pad (avg μ 0.45) for repeated high-speed stops. Pads are not cross-compatible between the two rotor types.
What rotor sizes are available?
The 8657S supports Ø355 mm × 32 mm, Ø380 mm × 34 mm, and Ø405 mm × 34 mm two-piece internally vented rotors. Larger diameters add thermal capacity and leverage but require more wheel clearance.
Is a bedding-in procedure required?
Yes. Proper bed-in is required to transfer an even pad layer to the rotor face, stabilize friction, and prevent judder. Follow the included procedure before any aggressive braking.
What is included in the kit?
Two front 6-piston forged calipers, two two-piece internally vented rotors with CNC aluminum hats, application-specific CNC carbon-steel mounting brackets, stainless-steel braided brake lines with vehicle-specific fittings, and a matched brake pad set for the selected rotor material.
Ready to spec your 8657S build?
Send your vehicle details, wheel specs, and intended use. We will confirm rotor size, mounting hardware, and brake-line fittings before you order.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
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Product Reviews
★★★★★ 4
Nice
Color: 01 - White, Size: King (108" X 90")
This blanket is generously sized and soft. I deducted one star because a small portion of the furry side came out matted after washing. It isn't really noticeable but something to be aware of. Probably best dried on low heat.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Not ultra dense, but very soft and cozy
Color: 03 - Beige, Size: Throw (50" X 60")
This is a really nice throw. It’s very soft and cozy, and for the price, I think it’s a great value.
I like the sewn-in label too. It gives it a slightly more high-end look compared to the more generic fuzzy blankets you see everywhere now.
The texture is a little different from some faux fur blankets I’ve had. It’s not that super dense, ultra-short type where you can’t really see the fibers. This one has a bit more length to the pile, so you can see the strands more. It’s more like a thicker but slightly airy kind of softness, and it’s really nice on my skin. It’s really, really cozy to snuggle up with.
👋 One thing I always recommend with blankets like this—no matter the brand—is do not put it in the dryer. Even on low, the heat and tumbling will start to change the texture. If you want it to stay as soft as it is when you first get it, wash it gently and let it air dry.
The reason is all faux fur is made from very fine synthetic fibers (basically plastic). Even low heat and the tumbling action can cause those fibers to start to stiffen, flatten, or slightly melt together over time. Once that happens, it loses that soft, fluffy texture and you can’t really get it back.
I think this would make a great gift, and it’s hard to find a faux fur blanket this soft at this price point.
Five stars! ⭐️⭐️⭐️⭐️⭐️
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Super soft! Love this!
Color: 03 - Beige, Size: Throw (50" X 60")
This GentleSoft Luxury Faux Fur Throw Blanket is a cozy and stylish addition to any living space. The faux fur texture feels incredibly soft and plush, giving it a luxurious feel that’s perfect for curling up on the couch, adding extra warmth to a bed, or simply elevating room décor. The beige color is neutral and elegant, blending easily with a variety of home styles. Despite its fluffy, shaggy appearance, it feels lightweight while still providing excellent warmth and comfort. The 50x60-inch size is ideal for personal use while relaxing, reading, or watching TV. It also makes a thoughtful gift thanks to its soft feel and attractive presentation. Overall, this blanket offers a great mix of comfort, warmth, and decorative appeal at a very nice value. My suggestion is to not dry it.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
So Good I Need Even More!!
Color: 03 - Beige, Size: Throw (50" X 60")
This is one of the softest most luxurious blankets I have ever found!! Absolutely beyond compare. Lovely and comfy, it’s beyond a steal of a deal. It doesn’t fall apart or tear, and it holds form after wash instead of shrinking. I need more!!
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Reviewed in the United States on May 14, 2026
★★★★★ 2
Not highest quality
Color: 01 - White, Size: Throw (50" X 60")
Very fuzzy indeed but the material and feel is on the cheaper side unfortunately
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Reviewed in the United States on April 13, 2026