Apex Brown & Miller Water Lines Package includes the Highest Quality, Durability and Reliability there is to offer in all of Motorsports. Made out of PTFE Hose, designed and engineered to weigh less while still maintaining the high performance required in today’s race cars. The PTFE Inner Core is a material unequaled for its high and low temperature performance and its compatibility with all fluids used in the racing industry. Thermostat to Rad and Water Pump to Rad lines have -12 crimped ends and the Oil Cooler Line to Rad has –10 to –8 ends.