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Standard Duty HTC Coated Full-Length Headers 1967-91 GM C/K/R/V Series Truck/SUV 283-400
InfoVehicle Info Needed
HEDMANPART NUMBER: 500-66099

Standard Duty HTC Coated Full-Length Headers 1967-91 GM C/K/R/V Series Truck/SUV 283-400

$75299
ShippingShips on Sep 16, 2026
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$34700
Metallic Ceramic Coated Long Tube Headers 1973-1987 Small Block Chevy Truck/SUV [265-400 ci]

555-300110

Metallic Ceramic Coated Long Tube Headers 1973-1987 Small Block Chevy Truck/SUV [265-400 ci]

$40599

GM Trucks
    Standard Duty HTC Coated Full-Length Headers
  • 1967-91 GM C/K/R/V Series Truck/SUV 283-400
  • 1-5/8" Tube, 3" Collector, D-Port

  • Without smog injection or injection heads
  • Modification to stock exhaust required to retain catalytic converter
  • Not legal for sale or use in California on pollution-controlled vehicles
  • Must modify rotary A/C bracket

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeHeader
BrandHEDMAN
Package Height8.5
Package Width16.5
Package Length39.5
Weight29.2 PG
Part CategoryPerformance Parts
Header FinishSilver ceramic coated
Tube DirectionDown Swept
QuantitySold as a pair
Bolts/Studs IncludedYes
Cylinder Head Port ShapeD-port
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 Number66099
Package Qty1
Package TypeEA
No Questions
No Reviews

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