Premium Material and Craftsmanship Constructed from 304 stainless steel and subjected to specialized heat treatment processes, the HiSport exhaust manifold stud kit ensures exceptional strength and corrosion resistance, offering a longer service life than original equipment.
Direct OE Replacement with Enhanced Features Directly replaces OE numbers N811313S431 and W707747S431, the HiSport exhaust manifold stud kit is designed to meet or exceed the standards of original equipment with its precise fit and superior materials.
Precise Design and Seamless Compatibility Exclusively designed for Ford 4.6L and 5.4L V8 engines, ensuring perfect compatibility and hassle-free installation with Ford models (including E150, E250, F150, etc.), eliminating the need for additional adjustments.
Easy Installation and Maintenance The streamlined installation process allows for quick and easy replacement of the HiSport studs and nuts, either by hand or with tools, significantly enhancing maintenance efficiency and saving you valuable time.
Comprehensive Kit Inclusion and Brand Support The kit includes 16 precision-manufactured exhaust manifold studs and 16 corresponding serrated flange nuts, meeting the installation requirements for two exhaust manifolds.