Derale Cooling Products' heavy duty tube and fin transmission coolers are the perfect tool to keep your 1993-1995Lightning and 1999-2004 SVT Lightning transmissioncoole and lasting longer. This cooler kit features 1/2 in. seamless copper tubes with Turbulator inserts, expanded into louvered 3/4 in. aluminum cooling fins for maximum heat extraction. They are equipped with pre-drilled steel mounting brackets for solid vehicle attachment, and have all necessary mounting hardware and instructions for a simple hand tool installation.