Toyota 2RZ 3RZ Exhaust Manifold Stud Nut Kit

Secure your Toyota 2RZ or 3RZ exhaust manifold with confidence. This upgraded stud and nut combo is designed to withstand thermal cycling and torque stress, delivering consistent seal and lasting durability in demanding conditions. The studs feature a built-in inner hex for hassle-free install, while the locking flange nuts resist vibration and thermal expansion — ensuring your manifold stays tightly mounted without backing out. 🔧 Key Features‣ Tailored fit for Toyota 2RZ & 3RZ 4-cylinder engines‣ Built-in inner hex for precise stud installation‣ Top-lock flange nuts offer superior resistance to loosening‣ Ideal for stock or modified exhaust manifolds‣ Made to outlast OEM fasteners under heat and load