Toyota 1HZ Exhaust Manifold Stud Nut Kit

Upgrade your Toyota 1HZ setup with this heavy-duty stud nut kit — designed to securely fasten the exhaust manifold. Each stud features a 5mm inner hex end for easy installation with a hex key, and the included copper-plated top lock nuts stay tight under heat, torque, and vibration. Built for reliability in high-temp diesel environments, this kit is perfect for 1HZ engines. 🔧 Key Features‣ Fits Toyota 1HZ exhaust manifold to cylinder head‣ Inner hex stud design – install easily with 5mm Allen key‣ Top lock flange nuts – resist loosening under vibration or torque‣ Ideal for high-temp, high-pressure applications‣ Bolt-on solution for manifold maintenance