Derale Cooling Products' heavy duty tube and fin transmission coolers feature 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
I have been ordering items from Latemodel Restoration for many years. I've found them to be exceptionally professional, timely with order processing and shipping correct items ordered. I've never received an incorrect item on an order.