3420G Mr. Gasket Header Bolts - 3/8-16 x 3/4 Inch Hex & Socket Head - Black Oxide

Fits AMC 290-401, Chevrolet Small Block 262-400, Chrysler 383-440 except Hemi, Pontiac 326-455, Oldsmobile 330-455;

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, black oxide coated, and have a hex head that is ideal for use where space is minimal - your typical header flanges. Ever had a set of headers where a socket just seemed it wouldn't fit? 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;

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Warranty & Return Policy

Holley Performance Products warrants new products to be free from defects in material and workmanship for a period of 90 days from date of purchase.

Holley Performance Products Limited Warranty specifically does not apply to products, which have been (a) modified or altered in any way; (b) subjected to adverse conditions, such as misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water, corrosion, or faulty repair; or (c) used in other than those applications recommended by Holley Performance Products. Holley Performance Products also does not warrant, and disclaims all liability for products used in racing activities and/or applications other than those specifically recommended in the current brand catalog.

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