Patriot Exhaust H8013 1-7/8" Clippster Exhaust Header for Big Block Chevrolet 67-81, Raw Mild Steel. Mid length or "clippster" headers provide improved ground clearance for popular muscle cars and street rods Durable 18-gauge tubing Comes complete with gaskets, header bolts and collector reducers Raw Mild Steel finish Patriot's very popular metallic ceramic coating Limited one year warranty