Wilwood 140-17655 Rear Disc Brake Kit for Porsche M-Caliper Applications - D31 911

The Wilwood 140-17655 D31 Rear Brake Kit delivers a high-performance direct-mount braking solution engineered specifically for Porsche 911 models equipped with the OEM "M" 3.00" rear calipers. This kit combines lightweight forged aluminum construction with precision machining to deliver superior clamping force, reduced unsprung weight, and long-lasting braking performance.

D31 Forged Aluminum Caliper

• Ultra-lightweight 4.1 lb forged aluminum body for maximum strength-to-weight ratio
• Machined stainless steel pistons for corrosion resistance and consistent performance
• Matches OEM Porsche 911 "M" caliper 3.00" mounting centers, height, and offset for direct bolt-on fitment
• Available in Black or Red powder coat finishes; Yellow powder coat, Type III hard anodize, and custom powder coat colors available at additional charge
• Pre-loaded with standard D31 brake pads in BP-10 compound

Rotor Options

• 11.42" diameter OEM-replacement rotors
• Available in 0.79" or 0.95" thickness
• Choice of plain face surface or SRP directional drilled and slotted configuration
• Black e-coat finish for corrosion protection

Kit Includes

• D31 direct-mount forged aluminum calipers (pair)
• OEM-replacement rotors
• D31 BP-10 compound brake pads
• DOT-compliant stainless braided brake hoses

Wilwood's D31 Rear Brake Kit is an ideal upgrade for enthusiasts seeking improved braking efficiency and weight savings without sacrificing the direct-mount simplicity of the original Porsche 911 "M" caliper design.