Small Block Gen III & IV Engines (Holley Part #31730-3FLT). These Flowtech cast iron exhaust manifolds have a 2.25 outlet, Black Ceramic finish & are designed to hug close to the engine block so they fit into a wide variety of replacement & engine-swap applications. Cast iron provides years of leak-free performance with less under hood noise. Shorty design means you can route exhaust tubing close to your frame/floor pan for max ground clearance. LS engine swap applications where durability & leak-free sealing is desired. 304 stainless steel mating flanges included (mating flange fasteners are not included). 2.25 outlet diameter offers improved flow for max performance from cast iron exhaust manifold. 2 bolt exit flange config matches the E-rod exhaust manifolds for a factory like fitment – Allows use of OE gaskets & fasteners for an OE quality seal & fitment. Con-Moly Ductile Iron to provide durability & corrosion resistance. Tight tuck design provides universal fit for most popular chassis. Bolt Size: M8 x 1.25 x 25mm. Collector Diameter: 2.25. Small Block Gen III & IV (LS Based). Header Finish: Black Ceramic. Primary Tube Diameter: 1-3/4. We also have thousands of other High Performance Parts in our store. We want you to have the parts as bad as you do. This item is in the category “eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Exhaust & Emission Systems\Manifolds & Headers”. The seller is “kratter” and is located in this country: US. 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, Korea, South, 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, United Arab Emirates, Qatar, Kuwait, Bahrain, Croatia, Republic of, Malaysia, Brazil, Chile, Colombia, Costa Rica, Panama, Trinidad and Tobago, Guatemala, Honduras, Jamaica, Antigua and Barbuda, Aruba, Belize, Dominica, Grenada, Saint Kitts-Nevis, Saint Lucia, Montserrat, Turks and Caicos Islands, Barbados, Bangladesh, Bermuda, Brunei Darussalam, Bolivia, Ecuador, Egypt, French Guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman Islands, Liechtenstein, Sri Lanka, Luxembourg, Monaco, Macau, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Vietnam, Uruguay.
- Manufacturer Part Number: 31730-3FLT
- Brand: Flowtech