We all know a cool transmission = happy transmission. And we ALL want our transmission to last. Well look no further, we offer a kit that is PROVEN to lower temps and keep the trans happy. We have tested this kit for months with EXCELLENT results. During summer (temps up to 100*) when running the car hard, our trans stays nice and cool, temps hit 180 MAX, This kit includes everything you need to install. *Some trimming may be required, works with 6HP21 Transmissions) Includes a Trucool core, 160* High flow thermostat, and necessary lines/fittings/brackets to install. $485 plus shipping.