Mr. Gasket Header Bolt Set - Allen Head 3/8-16 x 3/4 Inch

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Overview When installing headers you will need header bolts, factory exhaust manifold bolts won't work. These Mr. Gasket Header Bolts are Grade 5 for strength and black oxide coate d. If you've ever had a set of headers where a socket just seemed it wouldn't fit these might be your answer. These bolts also have a socket head or Allen key drive in the center for just that problem. | Sold as a set of 12 | Fits: | AMC 290-401 | Chevrolet Small Block 262-400 | Chrysler Big Block 383-440 (Does not Fit 426 Hemi) | Pontiac 326-455 | Oldsmobile 330-455 Fits AMC 290-401, Chevrolet Small Block 262-400, Chrysler 383-440 except Hemi, Pontiac 326-455, Oldsmobile 330-455 Features Grade 8 Steel Black Oxide Coating Allen Head (12) Pieces Per Set Show more