This rotor replacement kit is designed to be used with the 2-Piece Floating Rear Brake Rotor Upgrade Kit for BMW F8X M2/M3/M4, which is a complete replacement brake rotor kit, designed to work flawlessly with the factory rear calipers. Upgrading your rotors will increase overall braking performance in street, track, and HDPE driving conditions, as they keep your brakes cool and strong all day long!

This replacement ring kit allows you to easily refresh your rotor set with brand new Rotor Rings and accompanying hardware when your original rings are worn down and in need of replacement. This kit makes refreshing your brake kit cost-effective and simple while retaining the same performance braking upgrades!

Features:

• Cost Savings Over Replacing Entire Brake Discs
• Same Specs as Original Rotor Rings
• CM-250 Special Alloy
• J-slotted Friction Face
• 72 Curved Vanes Force Cooling Air through Brake Disc

What's Included:

• Replacement Rotor Rings for 2-Piece Floating Rear Brake Rotor Upgrade Kit for BMW F8X M2/M3/M4
• Floating Bobbins Mounting System
• Installation and Break-in Instruction Sheets