Wilwood 140-18076-D Forged Narrow Superlite Rear Brake Kit Slotted Rotor - 4R 13.5 Black

The Wilwood 140-18076-D Forged Narrow Superlite 4R Big Brake Rear Kit is a championship-proven brake system engineered for high-performance and race applications. This complete rear brake kit features 13.50-inch slotted vented rotors with a 5x5.00-inch bolt pattern and includes brake lines for simplified installation.

Advanced Caliper Technology:

• FNSL4R four-piston calipers with forged aluminum body construction
• Type III Mil-Spec hard anodized finish in medium gray/black for superior wear and corrosion resistance
• Thermlock pistons reduce heat transfer to increase fade resistance and extend service life
• Internal damper springs and high-temperature piston seals maintain consistent pedal height
• Fully compatible with OE master cylinder output and ABS controls

High-Performance Rotors:

• Spec 37 alloy GT Series directional vane rotors (13.50-inch diameter, 0.81-inch thickness)
• Slotted surface design for improved wet and dry stopping performance
• Dynamic Lug Mounting system with forged aluminum hard anodized hats
• Engineered to minimize rotating and unsprung weight

Complete Kit Includes:

• Four-piston rear calipers (black finish)
• 13.50-inch slotted vented rotors with mounting hardware
• BP-20 compound brake pads
• Stainless steel braided brake lines
• All necessary mounting brackets and hardware

This rear brake kit is designed for radial mount caliper installation and is intended for use with OE parking brake systems. Minimum 18-inch wheel diameter required for proper clearance. Engineered for optimal front-to-rear brake balance, high durability, and efficient heat management in demanding racing and high-performance street applications.