Wilwood 140-15552 Forged Narrow Superlite Big Brake Front Brake Kit Hub - 6R

The Wilwood Forged Narrow Superlite 6R (FNSL6R) Big Brake Front Brake Kit delivers a premium combination of braking performance and visual impact, purpose-built for traditional non-ABS spindles found on American muscle cars and vintage street rods. Engineered exclusively for 17-inch and larger wheels, this hub-style kit is an ideal complement to tire and suspension upgrades on custom show vehicles and high-performance dual-purpose street and track builds.

At the heart of this kit are billet forged six-piston calipers using a radial mount design, paired with rotors ranging from 12.88" to 14" in diameter. The forged aluminum caliper body provides exceptional rigidity and thermal efficiency, while the narrow profile ensures clearance compatibility with a wide range of wheel styles.

Key Features:

• FNSL6R billet forged 6-piston calipers with radial mount design for maximum rigidity and braking power
• 12.88"–14" rotor diameter range for optimized stopping force
• Engineered for traditional non-ABS spindles on American muscle cars and vintage rods
• Designed exclusively for 17" and larger wheels
• Available in multiple caliper finish options to match your build aesthetic
• Multiple rotor design options including drilled, slotted, and combination styles
• Hub-style rotor mounting for precise fitment and ease of installation
• Bolt-on conversion design for straightforward installation

The Wilwood FNSL6R kit is the go-to upgrade for enthusiasts who demand show-quality appearance without sacrificing real-world braking performance on the street or track. A full range of caliper finish and rotor design combinations ensures every build can be tailored to both style and performance requirements.