{"product_id":"speed-engineering-lt-swap-1-7-8-longtube-headers-b-body-1971-1996","title":"Speed Engineering LT Swap 1 7\/8\" Longtube Headers B-Body 1971-1996","description":"\u003cp\u003eSpeed Engineering Gen V LT swap B-body longtube headers are built from natural 304 stainless steel with mandrel-bent, TIG-welded tubing, merge spikes and CNC-machined flanges.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1 7\/8-inch primaries\u003c\/li\u003e\n\u003cli\u003e3-inch collectors\u003c\/li\u003e\n\u003cli\u003eLongtube Gen V LT conversion design\u003c\/li\u003e\n\u003cli\u003eFits 5.3L, 6.2L, 6.6L, LT1, LT4, L8T and L8P V8 engines\u003c\/li\u003e\n\u003cli\u003eIncludes standard graphite manifold gaskets\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFits 1971-1996 Chevrolet Caprice, Impala and B-body applications. \u003cstrong\u003ePart number:\u003c\/strong\u003e 25-1058. Requires clearance-style plug wires; some large-transmission bellhousing ears may require trimming, and LT4 installations may need an oil-cooler adapter or delete kit. Direct-injected LT swaps only. Race-use-only emissions product.\u003c\/p\u003e","brand":"Speed Engineering","offers":[{"title":"Included Graphite Gaskets \/ No Header Wrap \/ No Wire Upgrade","offer_id":54141467427135,"sku":"25-1058","price":329.99,"currency_code":"USD","in_stock":true},{"title":"Included Graphite Gaskets \/ Add Two Heat Wrap Kits (25-1125 x2) \/ No Wire Upgrade","offer_id":54141467459903,"sku":"25-1058+25-1125x2","price":399.97,"currency_code":"USD","in_stock":true},{"title":"Upgrade to SMG LT MLS Gaskets (SMG-25-1059) \/ No Header Wrap \/ No Wire Upgrade","offer_id":54141467492671,"sku":"25-1058+SMG-25-1059","price":369.98,"currency_code":"USD","in_stock":true},{"title":"Upgrade to SMG LT MLS Gaskets (SMG-25-1059) \/ Add Two Heat Wrap Kits (25-1125 x2) \/ No Wire Upgrade","offer_id":54141467525439,"sku":"25-1058+SMG-25-1059+25-1125x2","price":439.96,"currency_code":"USD","in_stock":true},{"title":"Included Graphite Gaskets \/ No Header Wrap \/ Add SMG Ceramic Wires (9070C)","offer_id":54142623514943,"sku":"25-1058+9070C","price":464.99,"currency_code":"USD","in_stock":true},{"title":"Included Graphite Gaskets \/ Add Two Heat Wrap Kits (25-1125 x2) \/ Add SMG Ceramic Wires (9070C)","offer_id":54142623547711,"sku":"25-1058+25-1125x2+9070C","price":534.97,"currency_code":"USD","in_stock":true},{"title":"Upgrade to SMG LT MLS Gaskets (SMG-25-1059) \/ No Header Wrap \/ Add SMG Ceramic Wires (9070C)","offer_id":54142623580479,"sku":"25-1058+SMG-25-1059+9070C","price":504.98,"currency_code":"USD","in_stock":true},{"title":"Upgrade to SMG LT MLS Gaskets (SMG-25-1059) \/ Add Two Heat Wrap Kits (25-1125 x2) \/ Add SMG Ceramic Wires (9070C)","offer_id":54142623613247,"sku":"25-1058+SMG-25-1059+25-1125x2+9070C","price":574.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/2041\/6831\/files\/25-1058-lt-b-body-longtube-headers.jpg?v=1784635937","url":"https:\/\/smgspeed.com\/products\/speed-engineering-lt-swap-1-7-8-longtube-headers-b-body-1971-1996","provider":"SMGspeed","version":"1.0","type":"link"}