Overview Reviews Product Description Exhaust Header / Manifold Gasket - Seal-4-Good - 1.920 x 1.880 in Rectangle Port - Multi-Layered Aluminum - Big Block Chevy - Pair Product Videos Custom Field Product Reviews Write a Review Write a Review × Patriot BBC Stock Port BBC Stock Port Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *