{"product_id":"long-tube-headers-for-62-74-mopar-383-400-b-motor-1-3-4in-primary-d451","title":"Long Tube Headers for 62-74 Mopar 383-400 'B' Motor 1-3\/4in Primary D451","description":"\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e62-74   Various 383 Long Tube Silver Ctd\u003c\/p\u003e\u003cp\u003eLong tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3\/8\" Thick machined flanges to prevent warping\u003c\/li\u003e\n\u003cli\u003ePrecision formed long transition collectors and long tube design reduces backpressure and increases higher RPM horsepower\u003c\/li\u003e\n\u003cli\u003eHeavy duty 16-gauge tubing for long life\u003c\/li\u003e\n\u003cli\u003eTubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand: \u003c\/strong\u003eDoug's Headers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector Attachment: \u003c\/strong\u003e3-Bolt Flange\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector Diameter: \u003c\/strong\u003e3.0 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector Port Diameter: \u003c\/strong\u003e3.0 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor: \u003c\/strong\u003eSilver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Head Port Shape: \u003c\/strong\u003eSAP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign: \u003c\/strong\u003eFull-length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEGT Port: \u003c\/strong\u003eNo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish: \u003c\/strong\u003eMetallic Ceramic Coated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlange Thickness: \u003c\/strong\u003e0.375 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket Or Seal Included: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGaskets Included: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade Type: \u003c\/strong\u003ePerformance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader Material: \u003c\/strong\u003eSteel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader Style: \u003c\/strong\u003eFull-length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial: \u003c\/strong\u003eSteel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Hardware Included: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOxygen Sensor Port: \u003c\/strong\u003eNo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort Shape: \u003c\/strong\u003eSAP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Tube Outside Diameter: \u003c\/strong\u003e1.75 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Tubing Diameter: \u003c\/strong\u003e1.75 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProp 65 (C, R or CR): \u003c\/strong\u003eCR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProp 65 Yes\/No: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen Level: \u003c\/strong\u003eSemi-Gloss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitle: \u003c\/strong\u003eDoug's Long Tube Header 62-74 Various Mopar 383-400 'B' Motor 1 3\/4\" Primary 3\" Collector Silver Ceramic Coated D451\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube Wall Thickness: \u003c\/strong\u003e16 GU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number: \u003c\/strong\u003eD451\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1970-1971 Dodge Challenger 383 CID\u003c\/li\u003e\n\u003cli\u003e1972-1974 Dodge Challenger 400 CID\u003c\/li\u003e\n\u003cli\u003e1966-1971 Dodge Charger 383 CID\u003c\/li\u003e\n\u003cli\u003e1972-1974 Dodge Charger 400 CID\u003c\/li\u003e\n\u003cli\u003e1965-1971 Dodge Coronet 383 CID\u003c\/li\u003e\n\u003cli\u003e1972-1974 Dodge Coronet 400 CID\u003c\/li\u003e\n\u003cli\u003e1970-1971 Plymouth Barracuda 383 CID\u003c\/li\u003e\n\u003cli\u003e1962-1970 Plymouth Belvedere 383 CID\u003c\/li\u003e\n\u003cli\u003e1970-1971 Plymouth Cuda 383 CID\u003c\/li\u003e\n\u003cli\u003e1968-1971 Plymouth GTX 383 CID\u003c\/li\u003e\n\u003cli\u003e1965-1971 Plymouth Satellite 383 CID\u003c\/li\u003e\n\u003cli\u003e1972-1974 Plymouth Satellite 400 CID\u003c\/li\u003e\n\u003cli\u003e1962-1965 Plymouth Fury 383 CID\u003c\/li\u003e\n\u003cli\u003e1968-1971 Plymouth Road Runner 383 CID\u003c\/li\u003e\n\u003cli\u003e1972-1974 Plymouth Road Runner 400 CID\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eEmissions:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eThis Product is considered а Replacement Part per CARB and EPA regulations for emissions compliance and is legal for sale and use on specified vehicles in all 50 states as stated in Manufacturer's Application Guide and lnstallation Instructions.\u003c\/li\u003e \u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstructions:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/prod-da.s3.us-east-2.amazonaws.com\/BHKJ\/079843a7234fe971edd79723ac29a4c4.pdf\" target=\"_blank\"\u003eClick here for installation instructions!\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment Notes: \u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesigned for original heads (906 or 915 castings), 1975 and later model heads may require modification to flange.\u003c\/li\u003e\n\u003cli\u003eWedge Head Engine\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Doug's Headers","offers":[{"title":"Default Title","offer_id":54508666683605,"sku":"D451-BKLK","price":974.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2493\/0960\/files\/c30c293ce596af29b84f1826a3f6582f.jpg?v=1786703799","url":"https:\/\/moderndaymuffler.com\/products\/long-tube-headers-for-62-74-mopar-383-400-b-motor-1-3-4in-primary-d451","provider":"Modern Day Muffler","version":"1.0","type":"link"}