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Standard Duty HTC Coated Shorty Headers 1965-81 Chevy Passenger Car 396, 402, 454, 502
InfoVehicle Info Needed
HEDMANPART NUMBER: 500-66617

Standard Duty HTC Coated Shorty Headers 1965-81 Chevy Passenger Car 396, 402, 454, 502

$54499
ShippingShips on Oct 23, 2026
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Metallic Ceramic Coated Long Tube Headers 1965-1974 Big Block Chevy Passenger Car (396-502 c.i.)

555-300101

Metallic Ceramic Coated Long Tube Headers 1965-1974 Big Block Chevy Passenger Car (396-502 c.i.)

$51999

GM Cars
    Standard Duty HTC Coated Shorty Headers
  • 1965-81 Chevy Passenger Car 396, 402, 454, 502
  • 1-3/4" Tube, 3" Collector

  • For 396, 402, 454, and 502 engines (also 427 but only in Camaro)
  • Without smog injection or injection heads
  • Shorty with maximum ground clearance
  • Not recommended for use with aluminum heads
  • Due to cylinder heads (aluminum), Generation 6 BB-Chevy 502 will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
  • Includes parts necessary to retain emission devices (50-state legal for 1975-81 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 without A.I.R. system (considered OE replacement when existing emission controls are not removed from vehicle)
  • EO#D167-27

    Applications
  • 1965-72 Chevrolet Biscayne
  • 1965-74 Chevrolet Bel Air & Impala
  • 1966-74 Chevrolet Caprice
  • 1967-81 Chevrolet Camaro
  • 1968 Chevrolet Chevy II
  • 1968-73 Chevrolet Chevelle
  • 1968-77 Chevrolet El Camino
  • 1969-72 Chevrolet Brookwood & Townsman
  • 1969-79 Chevrolet Nova
  • 1970-77 Chevrolet Monte Carlo
  • 1973-74 Chevrolet Laguna
  • 1973-77 Chevrolet Malibu
Part TypeHeader
BrandHEDMAN
Package Height8.25
Package Width16.5
Package Length29.0
Weight22.0 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 StyleShorty
Cross Over Pipe IncludedNo
Catalytic Converter(S) IncludedNo
Primary Tube Diameter1.75 in (44.5 mm)
Vendor Part Number66617
Package Qty1
Package TypeEA
No Questions
No Reviews
Please click here to download the instructions PDF file

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