fits make: Mazda. year: 2004–2008.

( Brand: Csf Radiators ), ( Manufacturer Part Number: 3164 ), ( Type: Radiator ), ( Performance Part: Yes ), ( UPC: 710353031643 )
These B-tubes are carefully formed and then brazed over the seam to seal. So when it comes to keeping your engine cool and RX-8 running at its best a CSF High-Performance All-Aluminum Radiator is the obvious choice. Please see the manufacturer repair manual for standard installation instructions. With B-tubes you are able to get dual liquid laminar flow.
CSF has over 5 decades of experience manufacturing Radiators. Trust the cooling experts at CSF for best performing highest-quality and most reliable Radiators. OE brackets are all CNC machined and welded for the best durability possible. This radiator features a 2-Row core with Csf exclusive B-Tube Technology: Unlike regular oval shape O type tube CSF uses specially engineered in the of B.
CSF also uses ultra efficient multi louvered fins that are carefully and precisely aligned to maximize airflow through each radiator core. Designed to perform on the street or at track a performance radiator is must-have for both high horsepower builds as well race vehicles which need added cooling in motor sports environments. The design inlet in the middle of tube that is seam brazed increases heat transfer surface area tubes by approximately 15% over regular - producing efficiency two smaller vs. Inlet/Outlet connections are designed to match the OE so you can reuse OEM hoses or aftermarket.
CSF is able to use thinner and lighter aluminum material with better cooling efficiency because this design actually stronger than normal O shape tubes that are welded. One large tube within the same space criteria.