Wilwood’s D31 street and racing calipers provide the ultimate in strength, weight savings, and high efficiency brake clamping for Porsche 911 with "M" 3.00" OEM front or rear calipers. These calipers feature a high strength, light-weight 4.1 pound forged aluminum body fitted with machined stainless steel pistons. All D31 series calipers utilize the same 3.00" mounting centers, height and offset as the traditional 911 "M" calipers. The calipers accept Wilwood and FMSI standard D31 brake pads and are compatible with stock replacement rotors and master cylinders. D31 calipers are offered in Type III hard anodize finish and also in Black, Red and Yellow coat finishes.

Wilwood’s D31 street and racing calipers provide the ultimate in strength, weight savings, and high efficiency brake clamping for Porsche 911 with "M" 3.00" OEM front or rear calipers. These calipers feature a high strength, light-weight 4.1 pound forged aluminum body fitted with machined stainless steel pistons. All D31 series calipers utilize the same 3.00" mounting centers, height and offset as the traditional 911 "M" calipers. The calipers accept Wilwood and FMSI standard D31 brake pads and are compatible with stock replacement rotors and master cylinders. D31 calipers are offered in Type III hard anodize finish and also in Black, Red and Yellow coat finishes.