Wilwood 140-15911 Narrow Superlite Front Big Brake Kit - 6R 14.00in Black

The Wilwood Narrow Superlite 6R Front Big Brake Kit delivers championship-level braking performance with show-winning style. This complete front brake system features forged billet FNSL6R six-piston calipers paired with 14.00-inch GT Competition Series rotors, engineered specifically for Wilwood AFX Pro spindles.

Key Features:

• Forged billet FNSL6R six-piston calipers for maximum clamping force and heat dissipation
• 14.00-inch GT Competition Series rotors with directional vane design for optimal cooling
• Black anodized caliper finish for corrosion resistance and aggressive styling
• Designed exclusively for Wilwood AFX Pro spindles (18-inch minimum wheel diameter)
• Complete bolt-on kit includes calipers, rotors, brake pads, and mounting hardware
• Ideal for dual-purpose street/track vehicles and high-performance custom builds

Fitment Requirements:

• Requires Wilwood AFX Pro spindles (sold separately)
• AFX Pro spindles compatible with 1964-1972 GM A-Body, 1967-1969 GM F-Body, and 1968-1974 GM X-Body vehicles
• Minimum 18-inch wheel diameter required for proper caliper clearance

This big brake kit is engineered to complement tire and suspension upgrades on high-performance street machines, autocross competitors, and road race vehicles. The FNSL6R caliper design provides exceptional pedal feel and consistent stopping power under extreme conditions, while the GT Competition Series rotors resist warping and fade during aggressive driving.