GReddy Factory Replacement Oil Cooler Kit 2003-2006 Mitsubishi Evo 8/9GReddy GREX Oil Cooler Kits help prolong the life of your oil and in turn your internal engine components. Hard driving causes higher engine temperatures. GReddy GREX oil coolers are an excellent addition, and are especially effective in harsh driving environments. By using a similar inner fin core design as our famous intercoolers, we are able to increase oil capacity, decrease oil temperatures, and extend engine and oil life. Our systems also offer