Getadomtune Cylinder 4 Chamber Cooling Mod - 04-21 STI / 02-14 WRX
SKU: GDT CYL4COOL-SS$69.00 $79.00
Industry first (and patent-pending) DOHC EJ Cylinder 4 Combustion Chamber Cooling kit increases coolant flow in the LH head to improve reliability by reducing detonation causing hot spots, reducing EGT delta and improving overall cooling system performance.
