Stage 8 Locking Header Bolt Kit - 3/8"-16 x 1" External Hex Head - Stainless Steel - Natural - SB Chevy, V6 - Set of 12 Helmet Speakers Z-Design in Shell circulates air

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1984-1991 GMC S15 Jimmy

Stage 8 Locking Header Bolt Kit - 3/8"-16 x 1" External Hex Head - Stainless Steel - Natural - SB Chevy, V6 - Set of 12 Helmet Speakers Z-Design in Shell circulates airStage 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