CSF8048IntercoolersCSF Bar & Plate Intercooler Cores are used by some of the most renowned tuning and performance companies in the industry. This 18" x 12" x 4.5" Horizontal Flow Core is rated for 1000 WHP and the perfect fit for your custom high-performance intercooler. Each CSF Intercooler core is pressure tested at 120psi for maximum reliability in extreme boost applications. Hand-Built using jigs & fixtures for a perfectly straight core in a clean room using gloves inside the CSF factory to ensure proper brazing and a clean surface for future welding. Featuring a multi-louvered high precision staggered fin design (for both ambient and pressure sides of the core) for the best heat transfer possible.CSF intercooler cores are the world's best intercooler cores for fabrication of custom intercoolers. They offer intercooler cores in many different styles and sizes including cross-flow, vertical-flow, the 6 in. wide Magnum Series, and ultra-efficient liquid-to-air (water-to-air) cores rated for up to 2000 horsepower. Additional features of CSF intercooler cores include: * Heavy-duty bar and plate construction * Pressure tested at 120 psi for maximum reliability in extreme boost applications * Hand-built using jigs and fixtures for a perfectly straight core and easy welding * Manufactured in a clean room using gloves to ensure proper brazing and clean surfaces for future welding * Multi-louvered, high-precision staggered fin design on both the ambient and pressure sides of the core * Batch-brazed in CSF's state-of-the-art, digital, vacuum-brazing ovens * Strict quality control and quality testing, including individual pressure testing * Individually boxed and protected for secure transport