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Exhaust Header Bolt System: Stage 8 Locking 3/8 -16 X 3/4 Most
Mustang Exhaust Header Bolt System: Stage 8 Locking 3/8 -16 X 3/4 Most
Ford Racing Part Number: M-9432-A50
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.
Will not fit 4.6L modular V-8 5.4L.
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.
Will not fit 4.6L modular V-8 5.4L.
Customer Reviews
Must have for anyone installing headers!
Other than having to work with multiple pieces to install them, it's one of the best products for the application. I was affraid of the other brands with the expanding ends breaking off or freezing in the opening. I have not had a single header bolt problem since installed, unlike traditional bolts that like to back out with the heat and cool cycles.
Mustang Exhaust Header Bolt System: Stage 8 Locking 3/8 -16 X 3/4 Most
Ford Racing Part Number: M-9432-A50
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