{"id":8558,"date":"2023-05-21T13:03:31","date_gmt":"2023-05-21T21:03:31","guid":{"rendered":"https:\/\/sandersonheaders.com\/?post_type=product&#038;p=8558"},"modified":"2025-03-29T13:52:55","modified_gmt":"2025-03-29T21:52:55","slug":"cbr409-roadster-header-chevy-348-409","status":"publish","type":"product","link":"https:\/\/sandersonheaders.com\/product\/cbr409-roadster-header-chevy-348-409\/","title":{"rendered":"CBR409 Roadster Header, Chevy 348-409"},"content":{"rendered":"<p>The CBR409 outside chassis roadster header is for applications where tire clearance is a factor. It fits the Chevrolet 348 and 409 &#8220;W&#8221; engines. It is furnished with 26&#8243; mufflered turnouts that slip over the header collectors. Other optional turnout lengths are available.<\/p>\n<p><em><span style=\"color: #ff0000;\">NOTE: An image of the CBR100 header for a small Chevy block is shown. The CBR409 is similar.<\/span><\/em><\/p>\n<p>Comes with all hardware necessary for installation.<\/p>\n<p><strong>NOTE:<\/strong> Under chassis adapters sold separately<\/p>\n<p><strong>SPECIFICATIONS:<\/strong><\/p>\n<p>Engine: Chevrolet 348, 409 &#8220;W&#8221;<br \/>\nPrimary Tube Diameter: 1-5\/8&#8243;<br \/>\nCollector Diameter: 3\u00bd&#8221;<\/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>26&#8243; Sidepipe Turnouts w\/Muffler Inserts<\/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 CBR409 outside chassis roadster header set 348, 409 Chevy &#8220;W&#8221; engines in open fender street rod applications. Comes with 26&#8243; side pipe turnouts. (other side pipe lengths are available)<\/p>\n","protected":false},"featured_media":182,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[147,171,87],"product_tag":[204,205,206,148,150],"class_list":{"0":"post-8558","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-outside-chassis","7":"product_cat-348-409","8":"product_cat-street-rod","9":"product_tag-chevy-348","10":"product_tag-chevy-409","11":"product_tag-chevy-w-engine","12":"product_tag-outside-chassis-header","13":"product_tag-roadster-header","15":"first","16":"instock","17":"taxable","18":"shipping-taxable","19":"purchasable","20":"product-type-variable","21":"has-default-attributes"},"_links":{"self":[{"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/product\/8558","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=8558"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/media\/182"}],"wp:attachment":[{"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/media?parent=8558"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/product_brand?post=8558"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/product_cat?post=8558"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/product_tag?post=8558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}