[ Home > Accessories > Vehicle Enhancements > Engine Cooling ] Kits and Accessories to help keep your engine running cool and efficient. Engine Cooling Kit Improved Circulation and Cooling. $300.00 Equalizer Head Cooling Kit By Predator Motorsports $900.00 Copyright© 2003 - 2012 BlueHummer Outfitters All rights reserved. Hummer brand is registered by GM and/or AM General. BlueHummer Outfitters is neither affiliated with nor endorsed by GM and/or AM General. Last Update: May 21, 2012