Chevrolet Performance 12367959 - BBC Intake Manifold Bolt Kit

• For any Big-Block Chevrolet engine • Includes 16 bolts: 3/8"-16 x 1.5" with wide, underhead flange with a 7/16" hex head • Rated at 170,000 psi and will give consistent torque load • Includes 16 hardened flat washers NOTE: Four of these washers are smaller in diameter for use around the front water passages.