Torque Solution Cylinder 4 Coolant Mod 2002-2014 WRX / 2004-2021 STI / 2004-2008 Forester XT / 2005-2009 Legacy GT

Optimize your Subaru EJ engine’s performance with the Torque Solution Cylinder 4 Coolant Mod, designed to increase coolant flow specifically to the #4 cylinder head. This targeted cooling solution helps reduce cylinder #4 temperatures, minimizing knock and detonation risks that can lead to costly EJ ringland failures. Ideal for Subaru WRX, WRX STI, Forester XT, and Legacy GT models, this mod ensures more consistent engine temperatures and improved reliability.

Crafted with precision, the kit features CNC-machined 6061 billet aluminum fittings with a durable black anodized finish, multi-layer silicone hoses for superior heat resistance, and stainless steel clamps for secure installation. Built for long-lasting performance, it fits all EJ20 and EJ25 engines from 2002 to 2021 across multiple Subaru platforms.

Perfect for Subaru enthusiasts seeking enhanced engine cooling and durability, this coolant mod is a practical upgrade to protect your investment. Upgrade your cooling system today and experience peace of mind on every drive. Shop quality Subaru parts at Subimods.