Product Summary

Mid-Length Header Tube Type, Standard Flange Style

  • Elite Hedders
  • 1-3/4 In. Tube Dia.
  • 3 In. Coll.
  • Mid-Length Design
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Key Specs

MFG. Part #61618
Header Tube TypeMid-Length
Flange StyleStandard
Primary Tube Diameter1-3/4"
Material TypeMild Steel
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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 61618 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

  • Elite Hedders
  • 1-3/4 In. Tube Dia.
  • 3 In. Coll.
  • Mid-Length Design

Application

  • 1965-1974 Chevrolet Bel Air CID 396
  • 1965-1974 Chevrolet Bel Air CID 402
  • 1968-1974 Chevrolet Bel Air CID 427
  • 1965-1974 Chevrolet Bel Air CID 454
  • 1965-1974 Chevrolet Bel Air CID 502
  • 1965-1972 Chevrolet Biscayne CID 396
  • 1965-1972 Chevrolet Biscayne CID 402
  • 1968-1972 Chevrolet Biscayne CID 427
  • 1965-1972 Chevrolet Biscayne CID 454
  • 1965-1972 Chevrolet Biscayne CID 502
  • 1969-1972 Chevrolet Brookwood CID 396
  • 1969-1972 Chevrolet Brookwood CID 402
  • 1969-1972 Chevrolet Brookwood CID 427
  • 1969-1972 Chevrolet Brookwood CID 454
  • 1969-1972 Chevrolet Brookwood CID 502
  • 1967-1981 Chevrolet Camaro CID 396
  • 1967-1981 Chevrolet Camaro CID 402
  • 1967-1981 Chevrolet Camaro CID 454
  • 1967-1981 Chevrolet Camaro CID 502
  • 1966-1974 Chevrolet Caprice CID 396
  • 1966-1974 Chevrolet Caprice CID 402
  • 1966-1974 Chevrolet Caprice CID 454
  • 1966-1974 Chevrolet Caprice CID 502
  • 1968-1973 Chevrolet Chevelle CID 396
  • 1968-1973 Chevrolet Chevelle CID 402
  • 1968-1973 Chevrolet Chevelle CID 427
  • 1968-1973 Chevrolet Chevelle CID 454
  • 1968-1973 Chevrolet Chevelle CID 502
  • 1968 Chevrolet Chevy II CID 396
  • 1968 Chevrolet Chevy II CID 402
  • 1968 Chevrolet Chevy II CID 427
  • 1968 Chevrolet Chevy II CID 454
  • 1968 Chevrolet Chevy II CID 502
  • 1968-1977 Chevrolet El Camino CID 396
  • 1968-1977 Chevrolet El Camino CID 402
  • 1968-1977 Chevrolet El Camino CID 427
  • 1968-1977 Chevrolet El Camino CID 454
  • 1968-1977 Chevrolet El Camino CID 502
  • 1965-1974 Chevrolet Impala CID 396
  • 1965-1974 Chevrolet Impala CID 402
  • 1968-1974 Chevrolet Impala CID 427
  • 1976-1977 Chevrolet Impala CID 427
  • 1965-1974 Chevrolet Impala CID 454
  • 1965-1974 Chevrolet Impala CID 502
  • 1973-1974 Chevrolet Laguna CID 396
  • 1973-1974 Chevrolet Laguna CID 402
  • 1973-1974 Chevrolet Laguna CID 427
  • 1976 Chevrolet Laguna CID 427
  • 1973-1974 Chevrolet Laguna CID 454
  • 1973-1974 Chevrolet Laguna CID 502
  • 1973-1977 Chevrolet Malibu CID 396
  • 1973-1977 Chevrolet Malibu CID 402
  • 1973-1977 Chevrolet Malibu CID 427 ...See Application Guide for Additional Fitm...

Specs

Manufacturer Specs:

TUBE DIAMETER1-3/4 in.
TUBE STYLEMid-Length
AIR CONDITIONINGDependent on Vehicle (refer to VEHICLE APPLICATION Footnotes)
AUTOMATIC TRANSMISSION - COLUMNNo
AUTOMATIC TRANSMISSION - FLOORYes
MANUAL TRANSMISSION - COLUMNNo
MANUAL TRANSMISSION - FLOORNo
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, header bolts, gaskets to head, header reducers and bolts, hot air kit
FINISHMatte Silver Ceramic-Metallic
FINISH TYPEMATTE SILVER Ceramic-metallic coated
FLANGE STYLEStandard
FLANGE THICKNESS0.375 in.
HEADER STYLEMid-Length Tube
NOTES67-81 Various Chevy Car 396-502
MATERIALMild Steel
TUBE DESIGNStandard
TUBE LENGTHMid-Length Tubes
TUBE MATERIAL THICKNESS14g
TUBE SIZE1-3/4 in.
WITH AIR SYSTEMYes
WITH EGRNo
EOYes
EO #EO# D167-33
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 GAUGE14g
PRIMARY TUBE DIAMETER IN1.75 in.
PACKAGE CONTENTSHeaders, header bolts, gaskets to head, header reducers and bolts, hot air kit
HEADER MATERIALMild Steel
HEADER FINISHMatte Silver Ceramic-Metallic
CYLINDER HEAD PORT SHAPEOval
CYLINDER HEADStock Profile Heads
HEADER CONSTRUCTIONMILD STEEL- ELITE Heavy-Duty
REPLACEMENT GASKET41827520
REPLACEMENT HEAD FLANGE GASKET41827520
AIR CONDITIONING NOTESWith A.I.R.

Hedman Hedders 61618 Specifications

D-167-33
KEY SPECS
MFG. Part #61618
BrandHedman Hedders
Header Tube TypeMid-Length
Flange StyleStandard
Primary Tube Diameter1-3/4"
Material TypeMild Steel
ColorSilver
Weld-UpNo
Collector Diameter3 Inch
FinishMatte
Hardware IncludedYes
Gasket(s) IncludedYes
Collector Reducers IncludedYes
Collector Reducer Exit Diameter2.5"
CARB EO#
GENERAL
Sold in QuantitySet
Collector Length3"
Flange Thickness0.375"
TunedNo
Crossover Pipe IncludedNo
Primary Tube Gauge14-gauge
CARB EO NumberEO# D167-33

Questions & Answers

Fitment

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  • 402 Chevy Big Block V8

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  • 454 Chevy Big Block V8

  • Chevy Big Block V8 Mark IV 454 L19

  • Chevy Big Block V8 Gen 5 454 L19

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  • Chevy Big Block V8 Gen 6 ZZ454 454

  • 396 Chevy Big Block V8

  • 427 Chevy Big Block V8

  • 402 Chevy Big Block V8

  • 454 Chevy Big Block V8

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  • 396 Chevy Big Block V8

  • 454 Chevy Big Block V8

  • 402 Chevy Big Block V8

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  • 454 Chevy Big Block V8

  • 396 Chevy Big Block V8

  • 402 Chevy Big Block V8

  • 454 Chevy Big Block V8

  • Chevy Big Block V8 Gen 5 454 L19

  • Chevy Big Block V8 Mark IV 454 LS5

  • 454 Chevy Big Block V8

  • Chevy Big Block V8 Gen 5 454 L19

  • Chevy Big Block V8 Gen 6 ZZ454 454

  • 402 Chevy Big Block V8

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  • Chevy Big Block V8 Mark IV 454 L19

  • Chevy Big Block V8 Gen 5 454 L19

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  • Chevy Big Block V8 Gen 5 454 L19

  • Chevy Big Block V8 Gen 6 ZZ454 454

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  • Chevy Big Block V8 Gen 5 454 L19

  • Chevy Big Block V8 Gen 6 ZZ454 454

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  • 402 Chevy Big Block V8

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