CSF 00-09 Honda S2000 Aluminum Racing RadiatorCSF racing radiators feature the most advanced and efficient radiator cores in the industry. Offered for both vehicle specific and universal applications, they use innovative tube and fin technologies with industry leading testing methods to maximize airflow and heat dissipation. Specially engineered tubes in the shape of a "B" are carefully formed and then brazed over the seam. CSF is able to use thinner and lighter aluminum because this design is