Wilwood 140-14837 FNSL6R Front Disc Brake Hub Kit 12.88" Rotor 6-Piston

The Wilwood 140-14837 FNSL6R Front Hub Kit delivers a complete, high-performance front disc brake upgrade engineered specifically for traditional OEM spindles on American trucks. Featuring a billet forged six-piston caliper paired with a 12.88" rotor, this kit is purpose-built for custom show vehicles, dual-purpose street/strip machines, and high-performance applications running 17" or larger wheels.

The FNSL6R (Narrow Six-Piston Lug-Mount) caliper design provides exceptional clamping force and consistent pedal feel, making it an ideal upgrade for builds where both stopping power and visual impact are priorities. Wilwood's forged billet construction ensures durability under demanding conditions while keeping unsprung weight to a minimum.

Key Features:

• Forged billet FNSL6R six-piston caliper for maximum braking force and rigidity
• 12.88" rotor diameter optimized for performance heat dissipation
• Engineered for traditional OEM spindles on American trucks and customs
• Compatible exclusively with 17" and larger wheels
• Ideal for custom show, street, and high-performance track use
• Available caliper finish options to suit any build aesthetic
• Supports a full range of rotor designs for individualized style
• Complements tire and suspension upgrades on custom builds

Wilwood's FNSL6R Hub Kits are a proven solution for enthusiasts seeking an OEM-spindle-compatible big brake upgrade that combines race-proven technology with show-quality appearance. Each kit is designed and manufactured in the USA to Wilwood's exacting standards.