Extreme Duty Intake Manifold Bolt Kit for Big Block Chevy

This intake manifold bolt kit includes all of the bolts needed to secure the intake manifold on Chevy Big Block V8 engines. These bolts surpass grade 8 specifications and are rated for severe duty. They have a flanged head to spread the load evenly and do not need a washer in most applications. They are phosphorous treated and have a light oil coat to prevent rust. This kit includes (16) 3/8"-16 x 1.25" extreme duty bolts. Please verify correct sizes before ordering or contact us for assistance.