Aeromotive 24304 electric water pump for GM LS engines features lightweight billet aluminum construction and a reliable brushed electric motor for consistent cooling performance. Designed for high flow and durability in performance builds and race applications. Specs:Weight: 8.04 lbsMaterial: Billet AluminumMotor Type: Brushed ElectricInlet Size: 1 1/2 NPTOutlet Size: 1 1/4 NPT