2014-18 Chevrolet/GMC Truck Engine Bay Tank 2014-18 Chevrolet/GMC Truck 3 Gallon Engine Bay Tank Dedicated Motorsports brings you a 3 gallon engine bay tank designed to fit in the secondary battery tray location. This tank is perfect for adding volume to your supercharger cooling system or... MSRP: Was: Now: $399.99 Choose Options