Dualcomp Rear 4-Piston Big Brake Kit

The Ksport Dualcomp 4-Piston Rear Big Brake Kit (BKBM111-445SO) offers a unique dual-caliper solution engineered for high-performance driving scenarios such as drifting and rally racing. This innovative system utilizes a single 4-pot caliper, with half the pistons dedicated to the primary foot brake and the other half exclusively for the handbrake. Each brake circuit operates independently, providing enhanced control and responsiveness. This comprehensive kit is designed as a direct bolt-on upgrade, arriving with everything required for installation: Ksport 4-pot calipers, lightweight two-piece floating brake discs, SC5 street performance brake pads, a polished titanium handbrake cylinder and lever, and all necessary hardware. Customers can select between slotted or cross-drilled rotors, with cross-drilled recommended for daily drivers due to better cooling, and slotted for track use. Brake pads included are Ksport's NAOC Ceramic pads, optimized for street and occasional track use, offering reduced dust and noise compared to race pads, with an operating temperature range of 194°F - 1022°F. The kit also includes D.O.T. compliant stainless-steel braided brake lines, which resist expansion under pressure for a quicker pedal response and a firmer pedal feel compared to stock rubber lines. Customization is a key feature, with standard caliper colors (Orange, Red, Black, Yellow) and premium finishes (Silver, Gold, Titanium, Glassy/Hard Anodized) available, along with over 20,000 custom color options. This brake kit is Formula Drift legal. Ksport Big Brake Kits are built to order, and production and delivery typically take 4-6 weeks. Please note that Ksport Big Brake Kits are made-to-order and are non-refundable. It is highly recommended to confirm fitment with our team before placing your order to reduce the risk of ordering the wrong product. If our sales team confirms fitment and the product does not fit, we will accept returns with no restocking fees, provided the item is still in like-new condition. The specific fitment confirmed is for the 2006-2010 BMW M5 Base model.