{"id":7667,"date":"2023-04-30T15:36:45","date_gmt":"2023-04-30T23:36:45","guid":{"rendered":"https:\/\/sandersonheaders.com\/?post_type=product&#038;p=7667"},"modified":"2025-08-23T15:07:13","modified_gmt":"2025-08-23T23:07:13","slug":"bb55-header-set-big-block-chevy-1955-57-cars","status":"publish","type":"product","link":"https:\/\/sandersonheaders.com\/product\/bb55-header-set-big-block-chevy-1955-57-cars\/","title":{"rendered":"BB55 Header Set, Big Block Chevy, 1955-57 Cars"},"content":{"rendered":"<p>The BB55 header set fits big block Chevrolet engines in 1955-57 Chevy applications. The BB55 works with either stock or GM 605 power steering. It fits all iron cylinder heads and clears both front or side motor mounts. The hang-down length for either header side is above the lowest point of the oil pan, offering exceptional ground clearance.<\/p>\n<p><span style=\"color: #ff0000;\"><em>Removing the factory rear mount frame horns is required.<\/em><\/span><\/p>\n<p>Includes all hardware necessary for installation.<\/p>\n<p><strong>SPECIFICATIONS:<\/strong><\/p>\n<p>Engine: Big Block Chevy 395-454, 502<br \/>\nPrimary Tube Diameter: 1-7\/8&#8243;<br \/>\nCollector Diameter: 3.0&#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 BB55 header set fits 1955-1957 Chevy car applications using the big block Chevy engine.<\/p>\n","protected":false},"featured_media":84,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[78,99],"product_tag":[101,102,103,86,100],"class_list":{"0":"post-7667","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-big-block","7":"product_cat-1955-57-cars","8":"product_tag-1955-chevy","9":"product_tag-1956-chevy","10":"product_tag-1957-chevy","11":"product_tag-big-block-chevy","12":"product_tag-tri-five","14":"first","15":"instock","16":"taxable","17":"shipping-taxable","18":"purchasable","19":"product-type-variable","20":"has-default-attributes"},"_links":{"self":[{"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/product\/7667","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=7667"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/media\/84"}],"wp:attachment":[{"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/media?parent=7667"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/product_brand?post=7667"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/product_cat?post=7667"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sandersonheaders.com\/wp-json\/wp\/v2\/product_tag?post=7667"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}