If you have a set of headers on your 1996-2004 Mustang you have to keep the bolts tight to retain a proper seal.
Most header gasket failures are not the fault of the gasket but are due to loose or missing header bolts.
BBK header bolts for Ford Modular engine feature a 25mm underhead length, making them them long enough to work with all BBK headers or any other headers with up to a 3/8" flange.
If you are looking for something else, you can browse our Parts Catalog!
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