This is an exact match made to the same specifications as the original, to ensure fast and easy installation with beautiful results. Brand new, high-quality part. No modifications necessary. If you have any questions, the knowledgeable parts specialists at Keen Parts will be happy to help you with your project. This is a high-quality reproduction of the Outer Tail Light Lens (Red) that appeared on late 1971-1973 C3 Chevrolet Corvettes.