Proform Wedge Locking Header Bolts - 3/8in x 1in PFM66757

Collector Bolt - Locking - 3/8-16 in Thread - 1.000 in Long - Hex Head - Steel - Black Oxide - Set of 6

Fasteners, Engine Fastener Kits, Exhaust Manifold/Header Fastener Kits by PROFORM