GARRETT 848054-6039 Intercooler Core 12.00" x 4.50" x 22.36", 1100 HP, Air/Air (Vertical Flow)Description GARRETT 848054 6039 Intercooler Core 12. 00" x 4. 50" x 22. 36", 1100 HP, Air Air (Vertical Flow) Garrett intercooler cores are engineered to reduce charge air temperature and increase air density, helping improve engine power output. The bar and plate construction provides high strength and durability under extreme boost and temperature conditions. Optimized internal fin geometry and fin density enhance heat transfer while maintaining low