Wilwood 140-16781-D Forged Narrow Superlite Disc Brake Kit for GM Trucks - 6R 1963-1987 C10/C15

The Wilwood 140-16781-D Forged Narrow Superlite 6R (FNSL6R) disc brake kit delivers exceptional braking performance for 1963-1987 Chevrolet and GM C10/C15 trucks equipped with Wilwood's Modular Drop Pro Spindles. This comprehensive big brake kit features a forged six-piston caliper design that provides superior stopping power and heat dissipation compared to factory brakes.

Key Features:

• Forged Narrow Superlite 6R six-piston caliper for maximum clamping force and durability
• 13"-14" big rotor design for increased thermal capacity and fade resistance
• Application-specific engineering ensures compatibility with OE master cylinder output
• Maintains full ABS functionality on equipped vehicles
• Direct bolt-on installation with Wilwood Modular Drop Pro Spindles
• Available in multiple caliper finishes and rotor designs for custom styling

This big brake upgrade is ideal for show trucks, high-performance street applications, and track use where increased braking capacity is essential. The larger rotor diameter and multi-piston caliper design work together to provide shorter stopping distances, improved pedal feel, and better brake modulation. The kit is engineered to integrate seamlessly with wheel, tire, and suspension upgrades while complementing custom truck builds.