Product Overview:- Centric 125 Series High Carbon Alloy Brake Rotors Contain An Advanced Metallurgy That Greatly Reduces The Possibility Of Pad Squeal Especially With Higher Friction, European Style Brake Pad Compounds. Proprietary Molybdenum And Chromium Alloys Rotor Cracking During High Performance Use Or Repeat Stop Situations. This Alloy Also Increases The Friction Couple Improving Brake Performance And Stopping Power. Increased Chromium And Carbon Content Is Also More Resistant To Oxidation.Product Info:- Centric 13 Compatible With Fo-Rd Focus St Front Premium High Carbon Brake Rotor- Mounting Type: Floating / Dih- Vane Style: Pillar- Hub Hole/Whl Reg Mm: 63.6Manufacturer Part Number:- Part Number: 125.39038Product Features:- Centric Premium High Carbon Alloy Brake Rotor- Centric Premium Rotor With Advanced Metallurgy That Greatly Reduces Pad Squeal, Especially Effective With Higher Friction, European Style Brake Pad Compounds, Added Molybdenum And Chromium To Rotor Cracking.