{"product_id":"440-2442","title":"HEADER,BBC,1 3\/4\",68-74 GM TRUCKS,SUV,LONG TUBE,3\",CHROME PLATED","description":"\u003cli\u003eBRAND NEW SOUTHWEST SPEED \u003cstrong\u003eTRIPLE PROCESS CHROME PLATED\u003c\/strong\u003e PERFORMANCE \u003cstrong\u003eLONG TUBE HEADERS\u003c\/strong\u003e THAT ARE DIRECT FIT FOR 1968-1974 GM TRUCKS WITH BIG BLOCK CHEVY 396-454 CU. IN. ENGINES (SWS PART #440-2442).\u003c\/li\u003e\u003cbr\u003e \u003cli\u003eTHIS PAIR OF SOUTHWEST SPEED PERFORMANCE LONG TUBE HEADERS OFFER AN IMMEDIATE INCREASE IN PERFORMANCE BY ELIMINATING BACKPRESSURE, IMPROVING EXHAUST FLOW, AND BUILDING MORE HORSEPOWER. THE CONSISTENT TUBING DIAMETER CONTRIBUTES TO THE SMOOTH AIR FLOW AND GREATER EXHAUST VELOCITY OF THESE HEADERS. THESE HEADERS ARE A DIRECT REPLACEMENT FOR 1968-1974 CHEVY \u0026amp; GMC TRUCKS, SUBURBANS, BLAZERS, AND JIMMYS WITH BIG BLOCK CHEVY 396-454 CU. IN. ENGINES. THESE HEADERS ARE GROUND PARALLEL WITH .380\" FLANGES ON THE CYLINDER HEAD SURFACE, AND FEATURE 1 3\/4\" PRIMARY TUBES WITH 3\" COLLECTORS, COMPLETE WITH HEADER BOLTS AND GASKETS AND REDUCER BOLTS AND GASKETS. INCLUDES A PAIR OF 2 1\/2\" REDUCERS TO COMPLETE THE INSTALLATION.\u003c\/li\u003e\u003cbr\u003e \u003cli\u003e\u003cstrong\u003eWE STRONGLY RECOMMEND THAT YOU REFER TO OUR COMPATIBILITY LIST TO MAKE SURE THESE HEADERS FIT YOUR VEHICLE.\u003c\/strong\u003e\u003c\/li\u003e \u003cp\u003e\u003cstrong\u003e\u003cu\u003eFEATURES:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePERFORMANCE LONG TUBE HEADERS\u003c\/li\u003e \u003cli\u003e1 3\/4\" PRIMARIES TO THE 3\" COLLECTORS\u003c\/li\u003e \u003cli\u003e2 1\/2\" REDUCERS\u003c\/li\u003e \u003cli\u003eMORE PERFORMANCE\u003c\/li\u003e \u003cli\u003eINCREASES HORSEPOWER \u0026amp; TORQUE\u003c\/li\u003e \u003cli\u003eBETTER FUEL MILEAGE\u003c\/li\u003e \u003cli\u003eGREAT CHOICE TO REPLACE CAST IRON EXHAUST MANIFOLDS\u003c\/li\u003e \u003cli\u003eENHANCES THE LOOKS OF THE ENGINE COMPARTMENT\u003c\/li\u003e \u003cli\u003eINCLUDES GASKETS AND MOUNTING HARDWARE\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003eTRIPLE PROCESS CHROME PLATED TO RESIST EARLY CORROSION\u003c\/strong\u003e\u003c\/li\u003e \u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e\u003cu\u003eDIRECT FIT APPLICATIONS:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eGM TRUCKS WITH BIG BLOCK CHEVY 396-454 CU. IN. ENGINES:\u003c\/strong\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e\u003cu\u003eCHEVY:\u003c\/u\u003e\u003c\/strong\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e1\/2 TON TRUCKS:\u003c\/strong\u003e \u003cul\u003e \u003cli\u003e1968-1974 1\/2 TON TRUCKS 2WD\/4WD\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3\/4 TON TRUCKS:\u003c\/strong\u003e \u003cul\u003e \u003cli\u003e1968-1974 3\/4 TON TRUCKS 2WD\/4WD\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e1 TON TRUCKS:\u003c\/strong\u003e \u003cul\u003e \u003cli\u003e1968-1974 1 TON TRUCKS 2WD\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBLAZER:\u003c\/strong\u003e \u003cul\u003e  \u003cli\u003e1968-1974 K5 BLAZER 2WD\u003c\/li\u003e \u003cli\u003e1973-1974 K5 BLAZER 4WD\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSUBURBAN:\u003c\/strong\u003e \u003cul\u003e \u003cli\u003e1973-1974 SUBURBAN 2WD\/4WD\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cu\u003eGMC:\u003c\/u\u003e\u003c\/strong\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e1\/2 TON TRUCKS:\u003c\/strong\u003e \u003cul\u003e \u003cli\u003e1968-1974 1\/2 TON TRUCKS 2WD\/4WD\u003c\/li\u003e  \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3\/4 TON TRUCKS:\u003c\/strong\u003e \u003cul\u003e \u003cli\u003e1968-1974 3\/4 TON TRUCKS 2WD\/4WD\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e1 TON TRUCKS:\u003c\/strong\u003e \u003cul\u003e \u003cli\u003e1968-1974 1 TON TRUCKS 2WD\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eJIMMY:\u003c\/strong\u003e \u003cul\u003e \u003cli\u003e1968-1974 JIMMY 2WD\u003c\/li\u003e\n\u003cli\u003e1973-1974 JIMMY 4WD\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSUBURBAN:\u003c\/strong\u003e \u003cul\u003e \u003cli\u003e1973-1974 SUBURBAN 2WD\/4WD\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003e\u003cu\u003eIMPORTANT NOTES \u0026amp; EXCLUSIONS:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e1. MUST MODIFY STOCK EXHAUST TO RETAIN CATALYTIC CONVERTER(S).\u003c\/li\u003e \u003cli\u003e2. APPLICATIONS WITH OXYGEN SENSOR WILL REQUIRE PURCHASE OF REDUCERS WITH O2 FITTINGS.\u003c\/li\u003e \u003cli\u003e3. WILL NOT FIT WITH A.I.R. (SMOG) PUMP.\u003c\/li\u003e \u003cli\u003e\u003cb\u003e4. MUST USE ORIGINAL FACTORY BIG BLOCK FRAME STANDS, MOTOR MOUNTS AND HARDWARE.\u003c\/b\u003e\u003c\/li\u003e \u003cli\u003e5. WORKS WITH AIR CONDITIONING.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003e\u003cu\u003eHEADER SPECS:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMATERIAL TYPE: \u003cstrong\u003eSTEEL\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eHEADER TUBE TYPE: \u003cstrong\u003eLONG TUBE\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eFLANGE THICKNESS: \u003cstrong\u003e.380\"\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eFINISH: \u003cstrong\u003eTRIPLE PROCESS CHROME PLATED\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eHARDWARE INCLUDED: \u003cstrong\u003eYES\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eGASKETS INCLUDED: \u003cstrong\u003eYES\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eTUBE OUTSIDE DIAMETER: \u003cstrong\u003e1 3\/4\"\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eCOLLECTOR DIAMETER: \u003cstrong\u003e3\"\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eREDUCERS: \u003cstrong\u003e2 1\/2\"\u003c\/strong\u003e\n\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003e\u003cu\u003eCHROME WARNING:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cli\u003eDUE TO A REVISED CHROMING PROCESS BROUGHT ON BY RECENT EPA REGULATIONS AND HIGH LABOR COSTS, TODAYS CHROME IS NOT THE QUALITY OF DAYS GONE BY. BE AWARE: EXHAUST COMPONENTS WHICH ARE CHROME PLATED ARE NOW MUCH MORE SUSCEPTIBLE TO BLUEING, BLISTERING, PEELING \u0026amp; CORROSION. WE SEE VERY FEW HEADERS THAT DO NOT CHANGE COLOR ONCE EXHAUST TEMPERATURES ARE ACHIEVED. NO WARRANTY OR RETURNS ON CHROME EXHAUST ITEMS ONCE THEY HAVE BEEN INSTALLED.\u003c\/li\u003e \u003cp\u003e\u003cstrong\u003e\u003cu\u003eHEADER RETURN POLICY:\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cli\u003ePLEASE REFER TO THE HEADER MEASUREMENT CHART BELOW TO MAKE SURE THE HEADER WILL FIT YOUR VEHICLE AND APPLICATION BEFORE ORDERING. IN THE EVENT YOU ORDER A HEADER THAT WILL NOT FIT YOUR VEHICLE AND APPLICATION, YOU MAY RETURN THEM FOR A REFUND, PROVIDING YOU DONT DAMAGE THE HEADER. WHEN YOU RECEIVE THE HEADER THE FINISH WILL BE PROTECTED AND MUST REMAIN UNSCRATCHED FOR A REFUND. IF YOU BEND OR DIMPLE ANY OF THE TUBES OR SCRATCH THE FINISH, WE WILL NOT BE ABLE TO SELL THE HEADER AND WILL NOT BE ABLE TO PROCESS A REFUND. USE CARE WHEN TRIAL FITTING HEADERS. REPACK THEM WELL TO PREVENT DAMAGE RETURNING THEM TO US. \u003cstrong\u003eWE WONT PROCESS REFUNDS FOR SCRATCHED, DIMPLED, DENTED, OR BENT HEADERS.\u003c\/strong\u003e\n\u003c\/li\u003e\u003cp\u003eYOU CAN VIEW AND DOWNLOAD THE COMPLETE ASSEMBLY INSTRUCTION BOOKLET FOR THESE HEADERS \u003ca target=\"_blank\" href=\"https:\/\/southwestspeed.com\/cdn\/shop\/files\/440-2441.pdf\"\u003e\u003cspan style=\"COLOR: RED;\"\u003eHERE\u003c\/span\u003e\u003c\/a\u003e.\u003c\/p\u003e","brand":"440-2442 A30.0","offers":[{"title":"Default Title","offer_id":47184865132825,"sku":"440-2442","price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0829\/0477\/6985\/files\/440-2446.jpg?v=1751916795","url":"https:\/\/southwestspeed.com\/products\/440-2442","provider":"Southwest Speed","version":"1.0","type":"link"}