Fits 2007 Chevrolet Trailblazer [ SS-6.0L ] FRONT PAIR ATL Autosports Performance Brake Rotors ATL55143-01DDS Fits the Following Vehicle ONLY: 2007 Chevrolet Trailblazer [ 6.0L - SS ] If This Is Not The EXACT Fit For Your Vehicle, Please Contact Us With Your Year, Make, & Model, So We Can Provide You With The Correct ASIN. OE Replacement - Guaranteed To Fit Without Modification - Drill Holes Can Help Reduce Temperatures By As Much As 200 Degrees, Increase Stopping Power, & Prolong Brake Life For Even The Most Demanding of Driving Conditions. Our Curved "OFF THE EDGE SLOTS", Are State of the Art Technology. They Allow Gases, Debris & Water to Not Just Escape Off the Rotor, But to Be Pulled Away From the Center of Your Braking System As You Stop. All Machining Done In The USA - Silver Zinc Plated To Inhibit Rust