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Product Summary

Mid-Length Header Tube Type, Round Exhaust Port Shape

  • Gen III Hemi swap headers were designed specifically for the 1972-1974 Dodge D100/D150 2-wheel-drive trucks
  • Easy bolt-on installation with direct fitment to BH2468 (2.50-inch dual) or BH2467 (3.00-inch single) exhaust systems
  • Fits 1972-1974 Dodge D100/D150 2-wheel drive truck w/ Gen III Hemi engines 2003 And Up 5.7/6.1/6.2/6.4-liter
  • Tube Geometry Designed for Maximum Clearance And Hassle-Free Installation
  • Headers are geometrically/functionally compatible with the following transmissions – Automatic Transmissions: A727, 46RE, 46RH, 545RFE, NAG1, 8HP70 And Manual Transmissions: Tremec TR6060, and TKX (Ford)

Rebates Available

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Key Specs

MFG. Part #BH2585
Header Tube TypeMid-Length
Exhaust Port ShapeRound
Flange StyleStandard
Primary Tube Diameter1-7/8"
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Hooker Headers BH2585 Details

Hooker Blackheart Gen III Hemi swap headers are part of a fully engineered swap system that provides maximum component clearances, ideal drive train geometry And clearance for a 3.00-inch exhaust system. These headers fit the 1972-1974 D100/D150 2-wheel drive trucks with the Gen III Hemi swap and correct directly to BH12467 or BH2468 exhaust systems.

These high-quality mid-length swap headers are made from mild-steel and feature 3/8-inch thick header flanges, 18-gauge 1-7/8-inch primary tubes, and 3.00-inch collectors (with merge spears). Choose from black ceramic, silver ceramic, or black painted finishes. Headers provide clearance to the brake booster, steering shaft, power steering box, starter (both left And right side-mounted), rear sump oil pan, and several automatic And manual transmissions options.

  • Gen III Hemi swap headers were designed specifically for the 1972-1974 Dodge D100/D150 2-wheel-drive trucks
  • Easy bolt-on installation with direct fitment to BH2468 (2.50-inch dual) or BH2467 (3.00-inch single) exhaust systems
  • Fits 1972-1974 Dodge D100/D150 2-wheel drive truck w/ Gen III Hemi engines 2003 And Up 5.7/6.1/6.2/6.4-liter
  • Tube geometry designed for maximum clearance And hassle-free installation
  • Headers are geometrically/functionally compatible with the following transmissions – Automatic Transmissions: A727, 46RE, 46RH, 545RFE, NAG1, 8HP70 And Manual Transmissions: Tremec TR6060, and TKX (Ford)
  • Constructed from lightweight 18-gauge, mandrel bent mild-steel for strength, durability And value
  • 3/8-inch thick, CNC waterjet cut header flanges – For strength and maximum sealing surface
  • 1-7/8-inch primary tubes w/ long transition 3.00-inch collectors w/ merge spears for maximum flow and increased exhaust velocity
  • O2 bungs in both collectors – eliminates header modifications for oxygen sensors
  • 100% quality hand-welded construction for strength, longevity And good looks
  • Includes headers, attaching hardware And instructions
  • Silver ceramic coated finish

Rebates

Holley IRS Sale 2026

Save 10% instantly on select products across the Holley family of performance brands during the annual Holley I.R.S.Tax Sale. Instant rebate period runs from February 17, 2026 through March 29, 2026.

CARB Warning

Follow EPA, CARB, and state regulations for engine changes

Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine

Hooker Headers BH2585 Specifications

KEY SPECS
MFG. Part #BH2585
BrandHooker Headers
Header Tube TypeMid-Length
Exhaust Port ShapeRound
Flange StyleStandard
Primary Tube Diameter1-7/8"
Material TypeSteel
Weld-UpNo
FinishCeramic Coated
Hardware IncludedYes
Gasket(s) IncludedNo
Collector Reducers IncludedNo
Collector Attachment TypeSlip fit
GENERAL
Sold in QuantityPair
NotesRequires BHS524 engine mounting brackets, BHS525 transmission crossmember, and appropriate transmission adapter.
GTIN Code090127140574
Flange Thickness.38"
TunedNo
Crossover Pipe IncludedNo
Transmission Mount IncludedNo
Catalytic Converter(s) IncludedNo
Motor Mounts IncludedNo
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