Compatible with 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 8 for strength, black oxide coated, and have a compact 3/8 inch hex head that is ideal for use where space is minimal - your typical header flanges.

Includes (12) 3/8-16 x 3/4 inch bolts.;

Mr. Gasket 3409 Header Bolts - 3/8-16 x 3/4 Inch Mini Hex Head - Black Oxide

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Part Number:

Product Description

Compatible with 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 8 for strength, black oxide coated, and have a compact 3/8 inch hex head that is ideal for use where space is minimal - your typical header flanges.

Includes (12) 3/8-16 x 3/4 inch bolts.;

  • Mini 3/8 inch hex head for better socket clearance
  • Grade 8
  • Black oxide coated
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