5.3 6.0 4.8 Conversion Exhaust Manifold Flanges with O2 Bungs OEM Original
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This is a set of factory origianl 409 stainless steel flanges with o2 bungs for bolting to factory exhaust manifolds.
Perfect for your LS conversion on your 6.0, 5.3 or 4.8 Chevy engine.
