Wilwood 140-17101-Y FNSL4R Rear Big Brake Kit 12.98" Yellow Calipers Import

The Wilwood 140-17101-Y is a Forged Narrow Superlite 4R (FNSL4R) Rear Big Brake Kit purpose-built for high-performance import cars. It pairs four-piston forged calipers with BP-10 compound brake pads and 12.98" rotors to deliver a significant upgrade in rear braking force, clamping power, and pedal response over the factory brake system.

One of the key advantages of this specialized kit is its ability to retain full OE parking brake function, factory master cylinder output compatibility, and ABS integration where equipped — making it a clean, street-legal upgrade without compromising daily drivability.

Key Features:

• Forged Narrow Superlite 4R (FNSL4R) four-piston calipers in yellow finish
• 12.98" rotors for increased swept area and heat dissipation
• BP-10 compound brake pads for high-performance street and track use
• Retains OE parking brake, master cylinder output, and ABS compatibility
• Designed to complement 12.98" and larger front big brake upgrades
• Compatible with wheel, tire, and suspension upgrade builds
• Available in optional caliper finishes and rotor designs for a custom appearance

The FNSL4R rear kit is engineered to provide balanced, complementary braking performance alongside front big brake upgrades, making it an ideal solution for builders seeking both style and stopping power on custom high-performance import platforms. May require 17-inch or larger wheels or wheel spacers for proper fitment.