Billet Swivel Thermostat Housing Water Neck designed for GM LS engine applications, this 90-degree water neck is built to fit a wide range of LS platforms and truck engines. Compatible with:Swivel thermostat housings water neck fits for GM LS engines LS1, LS2, LS 3, LS7, LS9, LSA, L76 and L92 Vortech Truck Engines 4.8L, 5.3L, 6.0L.
