Buick 401 Nailhead Piston Rings
401 Buick Nailhead V8, Cast Iron Top Ring Material, Cast Iron Second Ring Material
Replacement 4.1875" bore piston ring sets for '59-'66 Buick 401 Nailhead. These rings are a cast top and a cast second ring.
Specify .030", .040" or .060" oversize.
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