Features 1、Made of 8.8 grade heat treatment alloy steel material, high hardness, corrosion and rust resistant. 2、Professional manufacturing, the kit has high level of accuracy and durability. 3、Exquisite workmanship, this product is perfect fitting your vehicle. 4、Easy to install, direct replacement for old or broken parts. 5、Applied to Fasten Turbo and Manifolds under a lot of heat and stress. Specifications: Features: 1. Made of 8.8 grade heat treatment alloy steel material, high hardness, corrosion and rust resistant. 2. Professional manufacturing, the kit has high level of accuracy and durability. 3. Exquisite workmanship, this product is perfect fitting your vehicle. 4. Easy to install, direct replacement for old or broken parts. 5. Applied to Fasten Turbo and Manifolds under a lot of heat and stress. Specification: Condition: 100% Brand New Material: 8.8 Grade Heat Treatment Alloy Steel Color: As Pictures Shown Stud Overall Length: Approx. 42mm/1.7in Threaded Side Into Flange: Approx. 12mm/0.5in Overall Height on Nut Side: 30mm/1.2in Bolt Thread Pitch: M10*1.50 Nut Specs: Flange Grade 8 Hex Nuts M10*1.50 Fitment: Applied to Fasten Turbo and Manifolds under a lot of heat and stress Package List: 4 * Screw 4 * Nut Package List