{"product_id":"hedman-45817-ls-swap-long-tube-headers-73-77-a-body","title":"Hedman 45817 LS Swap Long Tube Headers 1973-1977 GM A-Body | 1-7\/8\" Primary, 3\" Collector, Stainless (Pair)","description":"\u003cp\u003e\nUpgrade your LS swap with a set of \u003cstrong\u003eHedman 45817 Long Tube Headers\u003c\/strong\u003e, designed specifically for \u003cstrong\u003e1973-1977 GM A-Body vehicles\u003c\/strong\u003e. Built from premium \u003cstrong\u003eT304 stainless steel\u003c\/strong\u003e, these headers deliver exceptional durability, fitment, and performance for serious street and race applications.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWith decades of experience building headers for GM A-Body platforms, Hedman engineered these LS swap headers to provide optimal clearance, proper fit, and maximum exhaust flow. Featuring \u003cstrong\u003e1-7\/8\" CNC mandrel-bent primary tubes\u003c\/strong\u003e and \u003cstrong\u003e3\" high-flow collectors\u003c\/strong\u003e, these headers are built to support high-horsepower LS builds.\n\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for \u003cstrong\u003eLS engine swaps\u003c\/strong\u003e in 1973-1977 GM A-Body vehicles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1-7\/8\" primary tubes\u003c\/strong\u003e for improved exhaust flow and horsepower\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3\" race collectors\u003c\/strong\u003e for maximum performance\u003c\/li\u003e\n  \u003cli\u003eConstructed from \u003cstrong\u003eT304 stainless steel\u003c\/strong\u003e for durability and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCNC mandrel-bent tubing\u003c\/strong\u003e ensures smooth, unrestricted flow\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3\/8\" thick flanges\u003c\/strong\u003e resist warping and ensure a tight seal\u003c\/li\u003e\n  \u003cli\u003eHand-welded for consistent quality and fitment\u003c\/li\u003e\n  \u003cli\u003eIncludes gaskets and installation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45817\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHedman Hedders\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeader Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLong Tube, One-Piece\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eT304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNatural\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Tube Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-7\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Tube Gauge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCollector Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlange Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePort Shape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRound\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCollector Attachment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWeld-On\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGaskets Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHardware Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSold as a Pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1973-1977 GM A-Body Vehicles (LS Swap Applications):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChevrolet Chevelle, El Camino, Laguna, Monte Carlo\u003c\/li\u003e\n  \u003cli\u003eBuick Regal, Century\u003c\/li\u003e\n  \u003cli\u003eOldsmobile Cutlass, Cutlass Supreme\u003c\/li\u003e\n  \u003cli\u003ePontiac LeMans, Grand Prix\u003c\/li\u003e\n  \u003cli\u003eGMC Sprint\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nCompatible with \u003cstrong\u003eGM LS-based engines (4.8L – 7.0L)\u003c\/strong\u003e, including LS1, LS2, LS3, LS6, and similar Gen III\/IV platforms.\n\u003c\/p\u003e\n\n\u003ch3\u003ePerformance Benefits\u003c\/h3\u003e\n\u003cp\u003e\nThese long tube headers are designed to maximize exhaust scavenging and airflow, improving horsepower, torque, and overall engine efficiency. Ideal for high-performance street builds, drag racing, and LS swap projects where power and fitment matter.\n\u003c\/p\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned specifically for LS swap applications\u003c\/li\u003e\n  \u003cli\u003eProfessional installation recommended\u003c\/li\u003e\n  \u003cli\u003eNo catalytic converters or oxygen sensor bungs included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Buy From Lee Motorsports?\u003c\/h3\u003e\n\u003cp\u003e\nAt \u003cstrong\u003eLee Motorsports\u003c\/strong\u003e, we specialize in performance parts for real builds. Whether you're putting together a street car or a track-ready machine, we supply components that deliver results where it counts.\n\u003c\/p\u003e","brand":"Hedman","offers":[{"title":"Default Title","offer_id":52870744801580,"sku":"45817","price":975.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/6429\/2652\/files\/hedman-45817-ls-swap-long-tube-headers-73-77-a-body-stainless-pair.jpg?v=1776374944","url":"https:\/\/www.lee-motorsports.com\/products\/hedman-45817-ls-swap-long-tube-headers-73-77-a-body","provider":"Lee Motorsports","version":"1.0","type":"link"}