StopTech Calipers ST40 2 piece rotors Audi S4 B5 fitment 332mm big brake kit

Set of Stop Tech St40 calipers in great shape. Pads are like new. Rotors have no cracks, didnt shake, no lip, within spec. Stainless lines included. Bolt on. 332mm.

Upgrade your Audi B5 S4’s braking performance with the StopTech ST40 Big Brake Kit featuring 332mm 2-piece rotors. Designed for high-performance street and track applications, this kit includes the legendary ST40 4-piston forged calipers and lightweight, slotted 2-piece rotors for optimal heat dissipation and reduced unsprung weight.

The ST40 calipers offer improved clamping force and consistent pedal feel under hard braking, while the 332mm rotors provide a significant increase in surface area over stock brakes, delivering shorter stopping distances and improved fade resistance.

Key Features:

• 🚗 Vehicle Fitment: 2000–2002 Audi S4 (B5 chassis)

• 🛞 Rotor Size: 332mm x 32mm (2-piece slotted rotors)

• 🟠 Calipers: StopTech ST40 4-piston forged aluminum

• ✅ Direct bolt-on upgrade (compatible with most 17”+ wheels)

• 🔩 Includes calipers, rotors, stainless steel lines, and hardware

• 🧊 Excellent cooling and heat resistance

• 🏁 Track-proven, street-friendly performance