CSF Radiator 42mm 2-Row Aluminum Core with B-Tube Technology

CSF Radiator 42mm 2-Row Aluminum Core with B-Tube Technology Upgrade cooling capacity and reliability with the CSF 42mm 2-row aluminum core radiator. Engineered for high heat rejection, this radiator increases coolant capacity by over 1 gallon (3.8L) and delivers significantly improved thermal performance for street, towing, or track use. Thicker 42mm 2-row core — Adds a second cooling row and greater fluid volume to absorb and dissipate more heat. B-Tube Technology — Exclusive CSF B-Tubes boost heat transfer by ~15% versus standard oval welded tubes for faster cooldowns. Multi-louvered fins — Optimized, high-efficiency fins maximize airflow through the core for superior cooling under load. TIG-welded 100% aluminum construction — Lightweight, strong, and corrosion-resistant for enhanced durability and long service life. Direct fit — Mounts in the factory location with no cutting or modifications required. This radiator is ideal for enthusiasts seeking a reliable, high-performance cooling solution. Whether you push your vehicle on the track, tow heavy loads, or want a durable OEM-replacement with improved thermal capacity, the CSF 42mm 2-row radiator delivers consistent, proven results.