Wilwood 140-16937-D Forged Narrow Superlite Radial Mount Front Disc Brake Kit

The Wilwood 140-16937-D is a complete front disc brake kit engineered specifically for 1969–1989 Porsche 911 applications. Developed using motorsports-proven technology, this kit brings performance braking capability on par with the legendary 1974 911 RS and 930 Turbo — all while utilizing lightweight components and modern USA manufacturing techniques.

At the heart of this kit is Wilwood's Forged Narrow Superlite Radial Mount four-piston caliper, a design with a proven track record across countless competition laps in multiple racing classes. Paired with an oversize 12.19" (310mm) diameter rotor available in GT slotted or SRP drilled-and-slotted e-coat finish, this kit delivers outstanding stopping power and heat management. The forged aluminum calipers, mounting hats, and bracket are engineered to outperform stock components while reducing unsprung weight.

Key Features:

• Forged Narrow Superlite Radial Mount 4-piston caliper — motorsports-proven design used in competition across many racing classes
• 12.19" (310mm) oversize rotors — available in GT slotted or SRP drilled and slotted e-coat finish
• BP-10 compound Smart Pads — positive pedal response, high fade resistance, and easy clean-up properties
• Forged aluminum construction — calipers, mounting hats, and bracket outperform OEM parts at reduced weight
• Direct bolt-on fitment — mounts to front struts with 3.00" (76.2mm) spaced mounting tabs, no modification required
• Braided stainless steel Flexlines included — for improved brake feel and long-term durability
• Engineered and manufactured in the USA

This complete front brake kit is a direct-fit upgrade solution combining Wilwood's latest caliper technology with precision-engineered hardware for a straightforward installation and significant braking performance improvement over stock components.