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Skunk2 Alpha Series dual-core radiator for 2006–2011 Honda Civic Si is an all-aluminum direct-fit upgrade engineered to boost cooling efficiency. The brazed dual-core design with high-efficiency fins and polished end tanks supports OEM hoses and fans, offers 1.25 in inlet/outlet compatibility, and is built to withstand under-hood heat cycling for street, track, or replacement use.
Skunk2 Alpha Series 06-11 Honda Civic SI Radiator (Dual Core)
