Mustang Exhaust Header Bolt System: Stage 8 Locking 3/8 -16X1 Ford Racing
Ford Racing
Part Number: M-9432-A51
100% reliable, zero failures in more than 6,000,000 applications. Header fasteners absolutely, positively 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.
These kits fit most V-8 and many other engines. Includes (16) 3/8-16 bolts and locking hardware.