Wilwood 140-14526-R FNSL6R Classic Series Front Disc Brake Kit 11.86" 1-Piece Rotor & Hub Red

The Wilwood 140-14526-R is a Classic Series front disc brake conversion kit featuring the renowned Forged Narrow Superlite 6R (FNSL6R) six-piston caliper. Designed as a bolt-on drum-to-disc upgrade for OEM drum brake spindles, this kit delivers a dramatic improvement in stopping power, pedal feel, and visual presence over factory drum brakes.

At the heart of the kit is a one-piece 11.86" x 1.25" rotor and hub assembly, engineered to simplify installation while maintaining structural integrity and thermal performance. The integrated hub and rotor design eliminates the need for a separate hat, reducing complexity and potential runout issues.

Key Features:

• Forged Narrow Superlite 6R (FNSL6R) calipers — six-piston forged billet aluminum construction in red anodized finish
• 11.86" x 1.25" one-piece rotor and hub assembly — smooth finish, ready for street or show use
• OEM drum spindle compatible — bolt-on installation with no spindle modifications required
• 15" wheel clearance — fits inside popular 15" aftermarket and OEM-style wheels
• Manual or power booster compatible — works with both manual and power boost master cylinders
• Complete kit — includes calipers, rotor and hub assembly, caliper mounting brackets, hardware, and brake line kit

What's Included:

• FNSL6R six-piston calipers (red)
• 11.86" x 1.25" one-piece rotor and hub assemblies
• Caliper mounting brackets
• Installation hardware kit
• Brake line kit

The FNSL6R Classic Series kit is equally at home on a daily-driven truck or a show-quality build, offering the flexibility to meet demanding braking needs while complementing custom wheel and suspension upgrades. The versatile design allows this kit to be optioned with different rotor finishes and caliper colors to suit any build style.