Stage 8 Locking Header Bolt Kit - 3/8"-16 x 3/4" Double Hex Head - Nickel Plated - Steel - SB Ford - Set of 16 011280 this flat one-piece guide plate

this flat one-piece guide plate set is designed for Chevrolet 265-400 Small Block engines with 7/16" studs and 5/16" pushrods

3/16 in Allen

12-5/8 x 12-5/8 in

tube diameter and lengths

ClassicCool

Stage 8 Locking Header Bolt Kit - 3/8"-16 x 3/4" Double Hex Head - Nickel Plated - Steel - SB Ford - Set of 16 011280 this flat one-piece guide plateStage 8 locking header bolts use a patented system that consists of a Grade 8 quality grooved hex head bolt, a retainer, and a snap clip. a retainer fits over the bolt head and locks the bolt against the header tube, and the snap clip holds the retainer in place. Once Stage 8 header bolts are tightened down, they won't back out, eliminating leakage and blown header gaskets from loose bolts. Made in the U. S. A. Stage 8 Locking Fasteners has provided