Skunk2’s all-aluminum, full-size Alpha Series Radiator for the '01-'07 Subaru WRX & STI is a direct-fit, performance upgrade designed to dramatically increase both cooling efficiency and engine performance.
 
This Alpha Series radiator is manufactured from lightweight and durable aluminum, features atmosphere controlled brazed cores, TIG-welded ends, high-efficiency fins, and a dual-core design. The end tanks are polished and embossed with the Skunk2 Racing Alpha Series logo for a refined look to any build.
 

Specs:
Overall Size: 28.40” x 17.20” x 2.15”
Core Size: 27.24” x 13.54”
Core Thickness: 1.65”
Tank Wall Thickness: 0.08”
Inlet / Outlet: 1.50”/1.50”
Fill Neck: 1.50”
Drain Plug Length: 0.04”
Plug Thread: 0.06” [M16]