15-20 Chevrolet/GMC Truck and SUV Engine Bay Tank 15-20 Chevrolet/GMC Truck and SUV Engine Bay Tank This is 2.5 Gallon coolant reservoir designed for supercharger coolant systems. These tanks feature -12an male inlet/outlet fittings and an NPT fitting for a drain. Constructed out of .125" thick... MSRP: Was: Now: $399.99 Add to Cart