Product Summary

Long Tube Header Tube Type, Round Exhaust Port Shape

  • HTC Coated Headers
  • 1-3/4 In. Tube Dia.
  • 3 In. Coll.
  • Full Length Design
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Key Specs

MFG. Part #69386
Header Tube TypeLong Tube
Exhaust Port ShapeRound
Flange StyleStandard
Primary Tube Diameter1-3/4"
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Need To Know

Made to Order

This custom item will ship when completed

Quick and Easy Returns

Return Policy

Hedman Hedders 69386 Details

Hedman Hedders has been manufacturing quality headers in the USA since 1954, and classic musclecars is their specialty. Each set uses mild steel, smooth flowing, CNC mandrel bent tubes, that are hand-welded to ensure each pair is identical to the next. Hedman's unique, gasketless ball and socket collector design allows you to bolt up, even if it is not perfectly aligned with the header collectors.

Hedman Hedders is so confident in the quality of its headers that these headers are factory backed by a Limited Lifetime Warranty.

Features

  • HTC Coated Headers
  • 1-3/4 In. Tube Dia.
  • 3 In. Coll.
  • Full Length Design

Application

  • 1977 Chevrolet K30 CID 454 7.4 Liter 4WD
  • 1980-1986 Chevrolet K30 CID 454 7.4 Liter 4WD
  • 1988-1991 Chevrolet K3500 CID 454 7.4 Liter 4WD
  • 1987-1988 Chevrolet V30 CID 454 7.4 Liter 4WD
  • 1989-1991 Chevrolet V3500 CID 454 7.4 Liter 4WD
  • 1979-1986 GMC K3500 CID 454 7.4 Liter 4WD
  • 1988-1991 GMC K3500 CID 454 7.4 Liter 4WD
  • 1987-1991 GMC V3500 CID 454 7.4 Liter 4WD

Specs

Manufacturer Specs:

TUBE DIAMETER1-3/4 in.
TUBE STYLELong Tubes
AIR CONDITIONINGYes
AUTOMATIC TRANSMISSION - COLUMNYes
AUTOMATIC TRANSMISSION - FLOORYes
MANUAL TRANSMISSION - COLUMNNo
MANUAL TRANSMISSION - FLOORYes
POWER STEERINGYes
COLLECTOR ATTACHMENT3 in.
COLLECTOR DIAMETER3 in.
COLLECTOR SIZE3 in.
COLLECTOR STYLEBALL and SOCKET Style (Gasketless)
REDUCER OUTLET SIZE2-1/2 in.
EXHAUST SYSTEM DIA2-1/2 in.
CONTENTSheaders, gaskets (when applicable), 3-bolt exhaust adapters, hardware
FINISHHTC Polished Silver Ceramic-Metallic
FINISH TYPEHTC SILVER (polished) Ceramic-metallic Coating
FLANGE STYLEStandard
FLANGE THICKNESS0.3125 in.
HEADER STYLELong Tube
NOTES67-91 Chev. 1/2, 3/4, 1 Ton Truck 396-502
MATERIALMild Steel
TUBE DESIGNStandard
TUBE LENGTHLong Tubes
TUBE MATERIAL THICKNESS16g
TUBE SIZE1-3/4 in.
WITH AIR SYSTEMNo
WITH EGRNo
EONo
WELD-UPNo
TUNEDNo
BOLTS/STUDS INCLUDEDYes
CATALYTIC CONVERTERS INCLUDEDNo
CROSSOVER PIPE INCLUDEDNo
GASKET OR SEAL INCLUDEDYes
HEADER FASTENERS INCLUDEDYes
INSTALLATION HARDWARE INCLUDEDYes
MOTOR MOUNTS INCLUDEDNo
MOUNTING HARDWARE INCLUDEDYes
REDUCERS INCLUDEDYes
Y-PIPE INCLUDEDNo
QUANTITYSold as a pair.
PRIMARY TUBE GAUGE16g
PRIMARY TUBE DIAMETER IN1.75 in.
PACKAGE CONTENTSHeaders, ball and socket reducers (exhaust adapters), gaskets, mounting hardware
HEADER MATERIALMild Steel
HEADER FINISHHTC Polished Silver Ceramic-Metallic
CYLINDER HEAD PORT SHAPERound
CYLINDER HEADStock Profile Heads
HEADER CONSTRUCTIONMILD STEEL- Standard-Duty
REPLACEMENT GASKET41827500
REPLACEMENT HEAD FLANGE GASKET41827500
HEADER PORT SHAPERound Port
PORT SHAPERound
COLLECTOR BOLTS INCLUDEDYes

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $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 the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Hedman Hedders 69386 Specifications

KEY SPECS
MFG. Part #69386
BrandHedman Hedders
Header Tube TypeLong Tube
Exhaust Port ShapeRound
Flange StyleStandard
Primary Tube Diameter1-3/4"
Material TypeMild Steel
ColorSilver
Weld-UpNo
Collector Diameter3 Inch
FinishPolished
Hardware IncludedYes
Gasket(s) IncludedYes
Collector Reducers IncludedYes
Collector Reducer Exit Diameter2.5"
GENERAL
Sold in QuantitySet
Collector Length3"
Flange Thickness0.3125"
TunedNo
Crossover Pipe IncludedNo
Primary Tube Gauge16-gauge

Questions & Answers

Fitment

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