×
Account Login
1-800-345-4545
Gift Cards
Order Status & Returns
Help Center

Flowtech 11530 Long Tube Headers for 1968-1974 Big Block Chevy/GMC Trucks [Black]

387-11530


Product Q&A
View Now
Click image to zoom
11530 Long Tube Headers for 1968-1974 Big Block Chevy/GMC Trucks [Black]
$237.95
$214.15
SAVE $23.80
6 left in stock
Standard Headers
  • Chevy 396-454
  • 1968-81 Chevy/GMC 1/2-Ton & 3/4-Ton 4WD
  • 1968-87 GM 1/2, 3/4, 1-Ton & Blazer/Jimmy 2WD
  • 1973-81 Blazer/Jimmy K5, Suburban 4WD
  • 1973-91 Chevy/GMC Suburban 2WD
  • 1.75'' Tube
  • 3'' Collector
  • Painted Black
  • Free Shipping - Ships on Monday
    QTY

    Items You May Also Consider

    Ratings
    Price
    Brand
    • Details
    • Must modify stock exhaust to retain catalytic converters
    • Applications with oxygen sensors use reducers 387-10110 for 3'' three bolt flange
    • Must use original factory big block engine frame mounts and hardware

      Emissions Note:

      This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

      CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

    Specifications:

    Part Type
    Product Line
    Application
    Automotive
    Bolts/Studs Included
    Yes
    Catalytic Converter(s) Included
    No
    Collector Attachment
    3-bolt flange
    Collector Diameter
    3 in (76.2 mm)
    Cross Over Pipe Included
    No
    Flange Style
    Standard
    Gaskets Included
    Yes
    Header Finish
    Painted
    Header Material
    Steel
    Header Style
    Full-length
    Motor Mounts Included
    No
    Package Depth
    9.50
    Package Height
    37.00
    Package Width
    18.75
    Part Category
    Performance Parts
    Part Fitment
    Semi Universal
    Primary Tube Diameter
    1.75 in (44.5 mm)
    Primary Tube Gauge
    18-gauge
    Quantity
    Sold as a pair
    Reducers Included
    Yes
    Shipping Weight
    32.60
    Transmission Mount Included
    No
    Tube Direction
    Down Swept
    Tuned
    No
    Vendor Part Number
    11530FLT
    Weld-Up
    No
  • Overview
  • Vehicle Fitment
  • Instructions
  • Reviews
    11530 is rated 4.7 out of 5 by 3.
    • y_2025, m_5, d_17, h_6
    • bvseo_bulk, prod_bvrr, vn_bulk_3.0.42
    • cp_1, bvpage1
    • co_hasreviews, tv_1, tr_2
    • loc_en_US, sid_10001_10001_98932, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs
  • Q & A
    • y_2025, m_5, d_17, h_6CST
    • bvseo_bulk, prod_bvqa, vn_bulk_3.0.42
    • cp_1, bvpage1
    • co_hasquestionsanswers, tq_5
    • loc_en_US, sid_10001_10001_98932, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs
  • Items You Need

    Related Items

    Related Products

    Fits:1982-1993 2WD Blazer, Jummy, S10, S15 (Engine Swap) Notes:Will not fit angle plug heads.Shorter design for maximum ground clearance on cars lowered up to 4''.Fits with most engine swap kits. ... - Fits Turbo 350 automatic transmissions with floor shifter ...
    Close
    Features: CNC Mandrel-bent tubes provide consistent flow and increased cylinder scavengingHeavy-duty 16-gauge stainless steel tubing for increased strength and durabilityLarger tubing diameter increases exhaust flow for improved performance and throttle response3" collector7/16" thick header flangesIncludes ...
    Close
     Flowtech Headers are the perfect combination of quality and value. These shorty style headers fit the popular 2014-2015 Chevy/GMC Silverado/Tahoe/Yukon 5.3L & 6.2L V-8, 2WD/4WD models.Features:Mandrel-bent 409 Stainless Steel tubes provide consistent tubing diameters for smooth flow and increased exhaust ...
    Close
    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.