Mr. Gasket 955G Hex Head Intake Manifold Bolt<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Heat treated to Grade 5 specs and zinc plated to resist rust and corrosion</li><li>Designed specifically for small block Chevys Chryslers and AMCs</li><li>Three eighths coarse thread 1.00 inch long</li><li>Comes with extra thick parallel ground flat washers for a smooth consistent torque</li><li>Set of 12</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41l9DHa5aIL.jpg" noproxy>