Locking Bolts. Securely mount your Mustangs manifolds or aftermarket headers by replacing that old weak factory hardware with high strength Stage 8 Locking Header Bolts. These Ford Racing Header fasteners will absolutely, positively not back out. Eliminates need to monitor and tighten bolts regularly.
Ford Racing Quality. Made in the USA from specially-engineered Grade 8 carbon alloy steel that features a duplex nickel plated finish to resist corrosion, these Ford Racing Header Bolts are hardened to a tensile strength of 150,000 psi to provide superior strength for long-lasting performance.
Application. These Ford Racing Stage 8 Header Bolts are designed for use on 1979 to 1995 Ford Mustang equipped with the 5.0L small block V8 engine, including the LX 5.0, GT and SVT Cobra models.