Quick view GDT GDT Cylinder 4 Chamber Cooling System For 02-14 WRX, 04-21 STI, 04-08 FXT, 05-09 LGT Availability: Usually Ships in 24 to 72 Hours $89.00 GDT proudly offers the industry's first Subaru DOHC EJ Cylinder 4 Combustion Chamber Cooling kit that increases coolant flow in the left-hand cylinder head. Improving the coolant's flow improves... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List
