{"id":9346,"date":"2023-05-28T13:44:11","date_gmt":"2023-05-28T21:44:11","guid":{"rendered":"https:\/\/sandersonheaders.com\/?post_type=product&#038;p=9346"},"modified":"2025-03-29T14:06:07","modified_gmt":"2025-03-29T22:06:07","slug":"dd4-header-set-241-325-dodge-hemi","status":"publish","type":"product","link":"https:\/\/sandersonheaders.com\/product\/dd4-header-set-241-325-dodge-hemi\/","title":{"rendered":"DD4 Header Set, 241-325 Dodge Hemi"},"content":{"rendered":"<p>The DD4 header fits Dodge 241-325 Hemi V8 engines in Model A and later chassis that do not have a cross member directly under the center of the engine. The DD4 drops straight down, and the collector is tight to the oil pan. If you are unsure which engine you have, the Dodge Hemi and DD4 bolt pattern should measure 14-3\/8&#8243; center-to-center of the outer flange bolts (see image). The DD4 is compatible with most steering setups.<\/p>\n<p><strong>NOTE:<\/strong> For cylinder heads with 14\u00be&#8221; spacing (DeSoto Hemi engines), order part number <a href=\"https:\/\/sandersonheaders.com\/product\/dd5-header-set-276-345-desoto-hemi\/\">DD5<\/a><\/p>\n<p>Includes all hardware necessary for installation.<\/p>\n<p><strong>SPECIFICATIONS:<\/strong><\/p>\n<p>Engine: Dodge 241, 270, 315, and 325 Hemi V8<br \/>\nPrimary Tube Diameter: 1-1\/2&#8243;<br \/>\nCollector Diameter: 2.5&#8243;<\/p>\n<p><strong>FEATURES:<\/strong><\/p>\n<ul>\n<li>16-Gauge Primary and Collector Tube Thickness<\/li>\n<li>3\/8&#8243; Thick Flange<\/li>\n<li>Patented Flange Design Requires NO Gaskets<\/li>\n<li>Tightest Fitting Header Available Anywhere!<\/li>\n<li>Made in the USA<\/li>\n<\/ul>\n<p><strong>INCLUDES:<\/strong><\/p>\n<ul>\n<li>Header Bolt Set<\/li>\n<li>Collector Reducer Set<\/li>\n<\/ul>\n<p><strong>FINISH:<\/strong><\/p>\n<p>Our <strong>Ceramic Coating<\/strong> is recommended for every vehicle application and is the default finish selection choice above. To meet high standards of quality, We apply a multi-layer inside and outside aluminized ceramic coating in-house and then polish the coating to a high luster. This aerospace and military-grade technology adds excellent protection to your headers while offering the benefit of thermal control in your engine bay. It also improves cylinder scavenging of exhaust gases and increases the longevity of your header investment.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The DD4 header set fits 1928-41 Cars and Trucks using early Dodge (241-325) Hemi V8 engines.<\/p>\n","protected":false},"featured_media":449,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[87,233],"product_tag":[238],"class_list":{"0":"post-9346","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-street-rod","7":"product_cat-241-325-hemi","8":"product_tag-dodge-hemi","10":"first","11":"instock","12":"taxable","13":"shipping-taxable","14":"purchasable","15":"product-type-variable","16":"has-default-attributes"},"_links":{"self":[{"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/product\/9346","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/comments?post=9346"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/media\/449"}],"wp:attachment":[{"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/media?parent=9346"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/product_brand?post=9346"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/product_cat?post=9346"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/product_tag?post=9346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}