LS1/LS6 Intake Manifold Gaskets Set of 8 New Aftermarket LS1/LS6 Intake Manifold Gaskets Set of 8 New Aftermarket, these are a complete set of intake manifold gaskets for all LS1 & LS6 engines or any cathedral port intake manifold from GM. MSRP: Was: Price: Now: $35.60 Quick view Add to Cart SKU: 11-10260-01