Wilwood D31 Lightweight Forged Porsche 911 Direct Replacement Brake Caliper

A modern lightweight forged aluminium brake caliper designed to directly replace the original M type calipers on classic Porsche 911 models. The D31 caliper uses stainless pistons with dust boots, weighs just 1.86kg, and works with the factory discs, pads, lines and master cylinder for a simple, high-performance upgrade.Here s a detailed look at the key technical features, and the practical benefits they offer:Lightweight forged aluminium body: Made using a precision forging process that produces a high-strength yet low-weight structure, helping to reduce unsprung mass and improve the car s response to road inputs.Direct replacement fitment for 3.00 bolt spacing: Engineered to bolt directly to classic 911 uprights that originally used M type calipers, making installation straightforward without modification and ensuring proper alignment and geometry.Retains OEM discs, pads and brake lines: Compatible with original factory hardware including the master cylinder, eliminating the need for custom brackets or additional components and reducing installation time.Weight-saving design at just 1.86kg per caliper: Significantly lighter than the cast iron originals, this contributes to improved steering feel and sharper handling by lowering unsprung mass.Stainless steel pistons with dust boots: Pistons resist corrosion and heat-related distortion, while integrated dust boots protect against water and debris, helping extend service intervals and reduce long-term maintenance.Durable powder coated or anodised finishes: Available in multiple corrosion-resistant coatings to protect the calipers from road grime and brake dust, maintaining performance and appearance over time.Keep your classic 911 on the road with modern calipers designed to replace the ageing original cast iron units without the need for custom brackets or adapters. By using the existing discs, pads, lines and master cylinder, installation is simplified and avoids unnecessary complications. The forged aluminium body weighs far less than the original cast iron version, reducing unsprung weight and helping to sharpen handling on road or track. Stainless steel pistons with dust boots add durability, giving you dependable performance with reduced servicing needs.A lightweight forged caliper designed for classic 911 fitment gives you a practical way to reduce weight and improve handling. It's a direct-fit solution that makes upgrading both simple and worthwhile.Calipers are non-handed and sold individually.Please note: Brake pads are not included but are available to purchase from our Motorsport brake pad category.