21st Century Muscle Cars sells and installs Ron Davis custom heavy-duty aluminum radiators. This specific radiator also includes an integral engine oil cooler. Also available is the engine oil cooler install kit including adapter block and lines. These radiators are an excellent choice to improve cooling efficiency for street or race applications. Designed with extra large cooling tubes and the most fins per inch of any manufacturer. This special design results in lower coolant temperatures by up to 15 - 20 degrees. Outstanding features include: all aluminum with no epoxy, furnace brazed core, multi louvered fins, 100 % tig welded, 100 % pressure checked, 6061T6 billet aluminum fittings. Most popular applications are available.