Feature:1. Function: The exhaust manifold hardware kit is used to fasten turbo and manifolds under high heat and stressure working conditions.2. High Performance: Restore the best performance of the turbocharger, improve engine efficiency, play a fixed role, reduce jitter and reduce noise.3. Important Parameter: The thread size of this exhaust manifold stud bolt kit is M8, 8mm, precision machined to ensure accurate thread engagement.4. Direct Replacement: This exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on cars.5. Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability.Specification:Item Type: M8 1.25 Threaded Turbo Studs KitMaterial: Metal alloyThread Size: Approx. 8mm/0.31in, M8.Package List:8 x Stud8 x Nut