Stage8 Locking Header Bolt 4.6L 05-09
2005 to 2009 Mustang
Made in the USA, Stage 8's Grade 8 locking header bolts use a patented system that consists of a grooved hex-head bolt, a retainer, and a snap clip. The 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.
8mm x 1.25, Steel, Nickel Plated, Ford, 4.6, 5.4L, Set 16
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