Performance Online's line of aluminum radiators and electric fans are 2nd to none. All radiators are 100% tig welded aircraft aluminum. 2 row radiators offer 2 rows of 3/4" tubes capable of cooling 400-600 HP vehicles. Our 3 row radiators have 3 rows of 5/8" tube cooling up to 800 HP. Killer looks and outstanding performance is what makes our radiators so popular. Whether you're restoring a classic car or truck or building a high end muscle car, pro touring, or restomod, we have what you need to keep it cool.