Default sortingSort by popularitySort by average ratingSort by latestSort by price: low to highSort by price: high to low View:1224All Quick View Quick ViewAccessories, GM LS1 Engine Water Neck, REDHORSE PERFORMANCEAluminum Water Neck 1.25″ Hose for GM LS1, LS2, LS6 engines (*must use traditional 53 mm SBC thermostat, not LS1 thermostat) – Black $46.62BlacknullnullAdd to cart Quick View Quick ViewAccessories, GM LS1 Engine Water Neck, REDHORSE PERFORMANCEAluminum Water Neck 1.25″ Hose for GM LS1, LS2, LS6 engines (*must use traditional 53 mm SBC thermostat, not LS1 thermostat) – Blue $46.62BluenullnullAdd to cart Quick View Quick ViewAccessories, GM LS1 Engine Water Neck, REDHORSE PERFORMANCEAluminum Water Neck 1.25″ Hose for GM LS1, LS2, LS6 engines (*must use traditional 53 mm SBC thermostat, not LS1 thermostat) – Clear $46.62ClearnullnullAdd to cart Quick View Quick ViewAccessories, GM LS1 Engine Water Neck, REDHORSE PERFORMANCEAluminum Water Neck 1.25″ Hose for GM LS1, LS2, LS6 engines (*must use traditional 53 mm SBC thermostat, not LS1 thermostat) – Red $46.62RednullnullAdd to cart Quick View Quick ViewAccessories, GM LS1 Engine Water Neck, REDHORSE PERFORMANCEAluminum Water Neck 1.50″ Hose for GM LS1, LS2, LS6 engines (*must use traditional 53 mm SBC thermostat, not LS1 thermostat) – Black $46.62BlacknullnullAdd to cart Quick View Quick ViewAccessories, GM LS1 Engine Water Neck, REDHORSE PERFORMANCEAluminum Water Neck 1.50″ Hose for GM LS1, LS2, LS6 engines (*must use traditional 53 mm SBC thermostat, not LS1 thermostat) – Blue $46.62BluenullnullAdd to cart Quick View Quick ViewAccessories, GM LS1 Engine Water Neck, REDHORSE PERFORMANCEAluminum Water Neck 1.50″ Hose for GM LS1, LS2, LS6 engines (*must use traditional 53 mm SBC thermostat, not LS1 thermostat) – Red $46.62RednullnullAdd to cart