http://www.jegs.com/i/Flex-A-Lite/400/3818/10002/-1?CT=999 18000GVW Recommended for medium / full size cars and light trucks with occasional light towing. 16,000-18,000 GVW http://www.jegs.com/i/Perma-Cool/771/1013/10002/-1 20000GVW Recommended for full size cars and trucks with regular towing and m...