Stainless Steel Long Tube Headers for 1973-1991 GM Truck with Small Block Chevy 265-400 ci
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JEGSPART NUMBER: 555-300155

Stainless Steel Long Tube Headers for 1973-1991 GM Truck with Small Block Chevy 265-400 ci

$40599
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GM Truck
Stainless Steel Long Tube Headers
  • 1973-1991 Small Block Chevy 265-400 ci 4WD Truck
  • Round Port Shape
  • 1.625 in. O.D. Primary Tubes
  • 5/16 in. Flange Thickness
  • Includes:
    • 3 in. O.D. Collectors w/2.500 in. O.D. Outlet
    • Gaskets/Bolts

      JEGS 555-300155 Stainless Steel Long Tube Headers Features:

      • 18-Gauge 409 Stainless Steel Mandrel Bent Tubing
      • 5/16 in. Thick 409 Stainless Steel Exhaust Flanges
      • Stainless Steel Mounting Hardware & Gaskets

      JEGS 555-300155 Stainless Steel Long Tube Headers Includes:

      • (1 Pair) Stainless Steel Long Tube Headers with 1.625 in. Primary Tube
      • (1 Pair) Header Exhaust Gaskets
      • (12) 3/8 in.-16 x 3/4 in. Stainless Steel Header Bolts
      • (1 Pair) Stainless Steel 3 in. O.D. Header Collector to 2.500 in. O.D. Reducer Outlet
      • (1 Pair) 3 in. Collector Gaskets
      • (6) 3/8 in.-16 x 1 1/4 in. Stainless Steel Collector Bolts, Nuts & Lock Washers

      Special Exhaust Headers Notes:

      • Due to variations in engine and vehicle configurations, installation of aftermarket headers may require minor modifications
      • Common adjustments include power-steering or A/C bracket relocation, dipstick tube modification, or clearance for steering shaft and clutch linkage
      • Inspect for worn or collapsed motor mounts, and verify clearance for spark plugs, wires, brake lines, and transmission or fuel lines
      • Always test-fit headers before painting or coating to ensure proper alignment and clearance
      • Re-torque after initial heat cycles

      JEGS 555-300155 Stainless Steel Long Tube Headers Fits:

      • 1973-1987 Chevy/GMC Pick-Up 1/2, 3/4, 1-Ton
      • 1973-1991 Blazer/Jimmy/Suburban
      • 1988-1991 Chevy/GMC 1-Ton Crew Cab
    • High-Quality Headers

      JEGS Stainless Steel headers look great and are made with heavy-duty flanges and mandrel-bent tubing. Every header is designed for maximum performance with the proper primary diameter and length to efficiently remove exhaust from each cylinder, reducing pumping losses and increasing horsepower and torque.

    Part TypeHeader
    Product LineJEGS Stainless Steel Headers
    BrandJEGS
    Package Height9.5
    Package Width18.5
    Package Length34.0
    Weight28.0 PG
    Part CategoryPerformance Parts
    Header Flange Thickness0.313 in (7.95 mm)
    Header FinishNatural
    QuantitySold as a pair
    Cylinder Head Port ShapeRound
    Transmission Mount IncludedNo
    Header MaterialStainless steel
    Gaskets IncludedYes
    Weld-UpNo
    Collector Attachment3-bolt flange
    Flange StyleStandard
    TunedNo
    Collector Diameter3 in (76.2 mm)
    Motor Mounts IncludedNo
    Part FitmentSemi Universal
    Reducers IncludedYes
    Header StyleLong Tube
    Cross Over Pipe IncludedNo
    Catalytic Converter(S) IncludedNo
    Primary Tube Diameter1.625 in (41.3 mm)
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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