Alien Brakes Performance Brake Rotor Out of this world performance that can't be match. Cross Drilled and Slots. This listing comes with 4 SS Logo rotors (2 Fronts and 2 Rears) With all black zinc plating Fits: Chevrolet TrailBlazer SS (6.0L V8) 2006-2009 Front: 325mm diameter (55143-48lbs) Rear: 325mm diameter (55073-36lbs) ----------------------------------------------------------(Please Verify Make/Model/Year and Spec) Cross Drilled and Slots for performance under extreme braking condition.Reduce operating temperatures and fade.Improved wet weather performance.Improved initial brake pad bite and brake in.No modification.Direct fitment with originally equipped parts. Payment: All Payment goes through Ebay payment system. Please verify address before paying. Shipping: All package are ship with Fedex Ground to USA address (unless specify). We package and ship when the payment is made/clear. Package usually take 2 days average to ship from our facility in California. Shipping time depends on customers location. May take from 2-5 days with Fedex Ground. International Shipping is available through the Global Shipping Program with Ebay. Warranty: We offer a 90 day warranty cracking and warping of the rotor(s). We guarantee our product fitment as long as your vehicle make, model, year and spec matches listing description that you are purchasing. Return: All return will incur a 15% restocking fee if the wrong item was purchased or if customer no longer need/want the need. Customer is responsible for the return shipping. Please contact us with any question and/or concern.