Doug's Headers D104-B Full Length Header 1-7/8 In, 68-74 Javelin for Sale

Price: $618

This item has been shown 8 times.

Doug's Headers D104-B Full Length Header 1-7/8 In, 68-74 Javelin Sku # 447D104B Mfr. Part # D104-B Condition New Brand Dougs Headers Sold Set Details Notes

  • Doug's Headers D104-B 1 7/8" 4-Tube Full Length Header AMC Javelin 68-74 Hi-Temp Black 3 1/2
  • Port: SAP
  • Primary: 1 7/8
  • Dog leg exhaust port
  • exc. states w/Calif. emission stds.
  • with A/C
  • For Off-Road Use Only
Info

Doug's PASSENGER CAR HEADERS Long Tube Hi-Temp Black Coated Header development and design is complex and requires a substantial amount of time and resources to do the job right! Many manufacturers are unwilling to make the commitment and instead offer compromised headers at lower prices. Doug's will not compromise performance, quality or fit to compete with inferior designs at cheap prices. Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

  • 3/8" Thick machined flanges...no warping
  • CNC mandrel bent tubes... accurate fit & better flow
  • Precision formed long transition collectors and long tube design... reduces backpressure and increases higher RPM horsepower
  • Heavy 16 gauge tubing...longer life
  • Tubes are pre-polished to remove scratches and the header isfinished with a Hi-Temp Black Coating
Application This Part Fits 1971-1974 American Motors Ambassador 5.9L/360 V8
1971-1974 American Motors Ambassador 5L/304 V8
1971-1974 American Motors Ambassador 6.6L/401 V8
1968-1969 American Motors AMX 4.7L/290 V8
1968-1969 American Motors AMX 5.6L/343 V8
1970 American Motors AMX 5.9L/360 V8
1970 American Motors AMX 5L/304 V8
1968-1969 American Motors AMX 6.4L/390 V8
1968-1969 American Motors Javelin 4.7L/290 V8
1968-1969 American Motors Javelin 5.6L/343 V8
1970-1974 American Motors Javelin 5.9L/360 V8
1970-1974 American Motors Javelin 5L/304 V8
1968-1970 American Motors Javelin 6.4L/390 V8
1971-1974 American Motors Javelin 6.6L/401 V8
1971-1974 American Motors Matador 5.9L/360 V8
1971-1974 American Motors Matador 5L/304 V8
1971-1974 American Motors Matador 6.6L/401 V8
WARNING: Cancer and Reproductive Harm -- p65Warnings.ca.gov California Customers: This part has been identified as emissions sensitive and can only legally be installed on race-use only vehicles, off-road-use only vehicles, or pre-1965 vehicles in the State of California in accordance with the California Air Resource Board (CARB) requirements. Once your order is placed you will be contacted by Speedway Motors within 2 business days so that you can certify that you will only use such parts on these types of vehicles in California. Specs Material Type Steel Sold in Quantity Pair Color Black Gasket(s) Included Yes Hardware Included Yes Flange Style Standard GTIN Code 694342543525 MFG. Part # D104-B Collector Diameter 3-1/2 Inch Primary Tube Diameter 1-7/8" Header Tube Type Full-length Finish Hi-Temp Black Shipping

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Tech Support We're here to help before and after your purchase. If you have a question or need assistance with one of our products, please contact us through Messaging and a knowledgeable Speedway Motors team member will be happy to help. About Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 67 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries. Return Policy We want you to be satisfied with your purchase. If within 60 days after you receive your shipment and you are not satisfied, you may return the item for a refund. Refunds will be processed (1-2) days after the item is received by Speedway. All returned merchandise must be in original factory condition with no modifications or alterations. A restocking fee up to 15% may be applied if items are not in new condition.

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