These kits fit most V-8 and many other engines. Includes (16) bolts and locking hardware.
.375-16 x .75" Fits Most Headers
Header fasteners will not back out. Eliminates need to monitor and tighten bolts regularly
Grade 8 aircraft quality bolts made in U.S.A. Duplex nickel plated
Manufacturer's Lifetime Warranty
NOTE: Will not fit 4.6L/5.4L modular V-8
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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.