Mr Gasket 3409 Hex Header Bolts 3/8”-16 x 3/4” AMC Chevy Chrysler Pontiac Olds

Mr Gasket 3409. AMC 290-401. Pontiac 326-455. Chrysler 383-440 (except 426 Hemi). SB Chevy 262-400. Designed for minimal clearance applications.

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