Wilwood 140-17656-D Rear Disc Brake Kit for Porsche M-Caliper Applications - D31 911

The Wilwood 140-17656-D D31 Rear Disc Brake Kit delivers a direct-fit, high-performance braking upgrade engineered specifically for Porsche 911 models equipped with factory "M" 3.00" OEM rear calipers. This kit combines Wilwood's forged aluminum D31 direct-mount calipers with OEM-replacement rotors and DOT-compliant stainless braided brake hoses for a complete, track-ready rear brake solution.

D31 Forged Aluminum Caliper Features:

• Lightweight 4.1-lb forged aluminum body for maximum strength-to-weight ratio
• Machined stainless-steel pistons for corrosion resistance and consistent clamping force
• Matches OEM Porsche 911 "M" caliper 3.00" mounting centers, height, and offset for direct bolt-on fitment
• Includes D31 brake pads in BP-10 compound — a high-efficiency, low-dust street/performance formulation
• Available in Black or Red powder coat finish; Yellow powder coat, Type III hard anodize, and special colors available at additional charge

Rotor Specifications:

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

Kit Includes:

• D31 direct-mount rear calipers (pair)
• D31 BP-10 compound brake pads
• OEM-replacement 11.42" rotors
• DOT-compliant stainless braided brake hoses

Wilwood's D31 Rear Brake Kit is the ideal upgrade for Porsche 911 owners seeking improved braking performance, reduced unsprung weight, and caliper finish options — all while retaining OEM mounting compatibility. The SRP drilled and slotted rotor option further enhances heat dissipation and bite for spirited driving or track use.