Wilwood 140-15909-D Dynapro Front Brake Kit Drilled Slotted Rotors - 4R 11.75 Black

The Wilwood 140-15909-D Dynapro 4R Front Brake Kit delivers professional-grade braking performance for classic GM muscle cars and performance vehicles. This complete big brake system is specifically engineered for use with Wilwood AFX Pro spindles, which fit 1964-1972 GM A-Body, 1967-1969 GM F-Body, and 1968-1974 GM X-Body vehicles.

Key Features:

• Forged Narrow Dynapro 4-piston calipers with durable black finish for aggressive clamping force and fade resistance
• Two-piece 11.75-inch SRP (Spec-37) drilled and slotted rotors for enhanced heat dissipation and wet weather performance
• Lightweight aluminum hub assemblies reduce unsprung weight while maintaining strength
• Aluminum rotor adapters for secure mounting and proper rotor alignment
• Designed for 14-inch and larger wheels to accommodate modern tire and suspension upgrades
• Complete bolt-on kit for streamlined installation on AFX Pro spindle-equipped vehicles

This NDPR (Narrow Dynapro) brake kit combines race-proven technology with street-friendly durability, making it ideal for both high-performance street machines and track-focused builds. The drilled and slotted rotor design provides superior cooling and helps evacuate brake dust and gases for consistent pedal feel under demanding conditions. Verify specific vehicle fitment compatibility on the Wilwood website before ordering.