8mm-1.25 x 22mm Fits 99-04 Lightning 5.4L modular V-8 engines Includes (16) bolts and locking hardware. Stage 8 fasteners are 100% reliable, zero failures in more than 6,000,000 applications. Stage 8 Header fasteners absolutely, positively will not back out. The bolts eliminates need to monitor and tighten bolts regularly. These Grade 8 aircraft quality bolts are made in the U.S.A. and feature a Duplex nickel plated finish with a Manufacturer's limited Lifetime Warranty!
LatemodelRestoration.com is proud to offer Stage 8 Locking Fasteners for your Mustang or SVT Lightning! They design the world’s most effective active mechanical locking systems that prevent even a single degree of fastener loosening rotation, and provide significantly more breakaway torque than any other locking systems.
Stage 8 has over 78 patents and trademarks, issued or applied for. They have over 17 million locking systems installed in automotive and industrial applications, without a single failure reported.
For the most critical fastener applications, Stage 8 technology has consistently delivered measurable increases in equipment availability and safety, and dramatic reductions in maintenance costs and equipment failures.