{"product_id":"speed-engineering-ls-swap-1-3-4-longtube-headers-c10-k10-a-f-x-body","title":"Speed Engineering LS Swap 1 3\/4\" Longtube Headers - C10\/K10, A\/F\/X-Body","description":"\u003cp\u003eSpeed Engineering 25-1025 LS-swap 1 3\/4-inch longtube headers. Speed Engineering publishes this same exact SKU for 1960-1987 Chevrolet C10\/K10 trucks and for the listed GM A-, F-, and X-body applications. Mandrel-bent, TIG-welded natural 304 stainless construction with 3-inch collectors, merge spikes, CNC-machined flanges, and included graphite gaskets.\u003c\/p\u003e\u003cp\u003eChoose SMG LS MLS gaskets, SMG 9070C ceramic plug wires, or both. The 9070C ceramic wires resist header heat and are the only plug wires SMG uses on its in-house header builds. LS-engine swaps only; chassis, transmission, mount, and clearance restrictions vary by application. Race-use product.\u003c\/p\u003e","brand":"Speed Engineering","offers":[{"title":"Included Graphite Gaskets","offer_id":54157643776319,"sku":"25-1025","price":299.99,"currency_code":"USD","in_stock":true},{"title":"Add SMG LS MLS Gaskets","offer_id":54157643809087,"sku":"25-1025+SMG-25-1001","price":339.98,"currency_code":"USD","in_stock":true},{"title":"Add SMG 9070C Ceramic Plug Wires","offer_id":54157643841855,"sku":"25-1025+9070C","price":434.99,"currency_code":"USD","in_stock":true},{"title":"Add SMG LS MLS Gaskets + 9070C Wires","offer_id":54157643874623,"sku":"25-1025+SMG-25-1001+9070C","price":474.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/2041\/6831\/files\/speed-engineering-25-1025.jpg?v=1784812515","url":"https:\/\/smgspeed.com\/products\/speed-engineering-ls-swap-1-3-4-longtube-headers-c10-k10-a-f-x-body","provider":"SMGspeed","version":"1.0","type":"link"}