Material: Exhaust Manifold Bolts Hardware Kit is made of premium quality steel with High Strength Grade 10.9, strong and reliable, not easy to break or deform, can be used for a long time.
Size: Grade 10.9 Automotive Bolt, M8 x 1.25 Thread x 30.7 mm, Anti-Corrosion Zinc Plated. 12 PCS
Easy to Install: This product is simple to use and easy to operate. It's designed for easy installation so you can quickly and easily replace your old mounting kit.