Stop leakage from loose header bolts. Made in the U.S.A., 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.
Fastener Style: Bolt
Thread Size: 8mm x 1.25
Head Style: Double hex head
Underhead Length (mm): 25mm
Fastener Material: Steel
Fastener Finish: Nickel plated
Quantity: Sold as a set of 17