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Standard Duty HTC Coated Full-Length Headers 1964-94 Chevy Passenger Car 283-400
InfoVehicle Info Needed
HEDMANPART NUMBER: 500-66291

Standard Duty HTC Coated Full-Length Headers 1964-94 Chevy Passenger Car 283-400

$63699
ShippingShips on Sep 08, 2026
Lowest PriceLowest Price Guarantee

GM Cars
    Standard Duty HTC Coated Full-Length Headers
  • 1964-94 Chevy Passenger Car 283-400
  • 1-5/8" Tube, 3" Collector

  • Will fit angle plug heads (Chevy aluminum only)
  • Includes parts necessary to retain emission devices (50-state legal for 1975-77 only)
  • Will not fit 1967-69 Saginaw close ratio P/S with 825 power steering box
  • Modification to stock exhaust required to retain catalytic converter
  • For 1964-74 vehicles with A.I.R. system (considered OE replacement when existing emission controls are not removed from vehicle)
  • EO#D167-27

    Applications
  • 1964-73 Chevy Chevelle
  • 1964-77 Chevy Malibu & El Camino
  • 1970-77 Chevy Monte Carlo
  • 1971-72 Chevy Biscayne, Brookwood, Townsman
  • 1971-81 Chevy Bel Air
  • 1971-94 Chevy Caprice & Impala
  • 1973-76 Chevy Laguna
Part TypeHeader
BrandHEDMAN
Package Height9.63
Package Width18.25
Package Length39.25
Weight32.0 PG
Part CategoryPerformance Parts
Carb Eo NumberD-167-26 (pdf)
Header FinishSilver ceramic coated
Tube DirectionDown Swept
QuantitySold as a pair
Bolts/Studs IncludedYes
Transmission Mount IncludedNo
Header MaterialSteel
Gaskets IncludedYes
Weld-UpNo
Collector AttachmentBall and socket flange
Flange StyleStandard
TunedNo
Collector Diameter3 in (76.2 mm)
Motor Mounts IncludedNo
Part FitmentSemi Universal
Reducers IncludedYes
ApplicationAutomotive
Primary Tube Gauge18-gauge
Header StyleFull-length
Cross Over Pipe IncludedNo
Catalytic Converter(S) IncludedNo
Primary Tube Diameter1.625 in (41.3 mm)
Vendor Part Number66291
Package Qty1
Package TypeEA
No Questions
No Reviews
Please click here to download the instructions PDF file

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