Specifics and Features: Made of T-304 Stainless Steel Fits Chevy LS V8 Engine swaps only 6-Bolt Exhaust Outlet Flange 16 Gauge Wall Piping 9mm Exhaust Manifold Flange Thickness, 8mm Collector Flange Thickness O2 Sensor Bung Insertion and Metal Gasket Included Increase High Flow Air, Instantly Gain 10 -15 Hp. Includes: 1 x Set of Exhaust Headers Hardware as Shown in the Picture Above. 100% Brand New Professional Installation is Highly Recommended For LS V8 Engine Swaps only Installation Instruction is NOT Included.The item "FOR 67-74 SBC V8 LS/LS1-LS6 LSX STAINLESS LONG-TUBE HEADER EXHAUST MANIFOLD" is in sale since Saturday, June 1, 2019. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exhaust\Exhaust Manifolds & Headers". The seller is "hotfashiondeal" and is located in Plano, Texas. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Gibraltar, Guadeloupe, Iceland, Jordan, Cambodia, Cayman islands, Sri lanka, Luxembourg, Martinique, Maldives, Nicaragua, Oman, Peru, Paraguay, Reunion, Viet nam, Uruguay, Russian federation.