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Caliper | ||
---|---|---|
Series | Evolution Series | |
Model | EP4S | |
Mounting Position | Rear | |
Number of Pistons | 4 for Hydraulic Brake + 1 for EPB Motor | |
Piston Type | Two‑Piece Vented Pistons with Dust Boots + EPB | |
Piston Diameter | 28 mm × 4, 27 mm × 1 | |
Dimensions | L 278 mm × W 202 mm × H 93 mm | |
Total Piston Area | 26.44 cm² | |
Manufacturing Process | Two‑Piece Forged | |
Net Weight | 4.50 Kg (Single Caliper without Pad) | |
Surface Finish | High‑Temperature Gloss Coating | |
Recommended Wheel Size | 18″ or Larger | |
Recommended Rotor Size | ⌀345‑380 mm / Thickness 28 mm | |
Brake Rotor | ||
Material | Heat‑Treated High Carbon Steel | Carbon‑Ceramic Composite |
Mounting Position | Rear | Rear |
Dimensions | ⌀345 / 355 / 380 mm × 28 mm | ⌀380 mm × 28 mm |
Construction | 2‑Piece Rotor | 2‑Piece Rotor |
Vented / Solid | Vented | Vented |
Floating / Fixed | Fixed | Floating |
Directional (Left / Right Specific) | Yes | Yes |
Design | Curved Slotted / GrainSlot / WaveSlot / Drilled & Slotted | Cross Drilled |
Brake Pad | ||
Compatible Rotor Materials | Steel Rotors | Carbon‑Ceramic Rotors |
Operating Temperature Range | 0‑550 °C | 0‑700 °C |
Coefficient of Friction | 0.4 μ‑0.46 μ | 0.46 μ ± 0.15 |
Brake Hose | ||
Construction | 3‑Layer Reinforced | |
Material | Inner: PTFE (Teflon); Middle: SUS304 Braided Stainless Steel; Outer: PVC Sheath | |
Rotor Hat | ||
Manufacturing Process | CNC‑Machined | |
Material | Aerospace‑Grade Aluminum Alloy | |
Caliper Bracket | ||
Manufacturing Process | CNC‑Machined | |
Material | Carbon Steel |
Recommended service intervals:
Please contact our customer service to confirm compatibility.
To help us identify the correct kit for your vehicle, please provide the following:
The more details you share, the faster and more accurately we can assist you.
The standard kit includes:
All components are engineered for outstanding performance, safety, and long-term durability.
Note: Vehicle-Specific Series brake kits do not include rotor hats or caliper brackets, as they use bridge-integrated calipers and one-piece rotors for direct OEM-style installation without additional adapters.
These are general guidelines—please consult customer service for exact fitment.
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