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Vehicle Info NeededHEDMANPART NUMBER: 500-66093
Standard Duty HTC Coated Full-Length Headers 1967-95 GM C/K/R/V Series Truck/SUV 283-400
$65999
Ships on Sep 08, 2026
Lowest Price GuaranteeGM Trucks
- Standard Duty HTC Coated Full-Length Headers
- 1967-95 GM C/K/R/V Series Truck/SUV 283-400
- 1-5/8" Tube, 3" Collector
- With A.I.R. system
- Must modify rotary A/C bracket
- Includes parts necessary to retain emission devices (50-state legal for 1975-82 only)
- Not legal for sale or use in California on pollution-controlled vehicles
- Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #500-69092 without A.I.R. Use #500-69093 with A.I.R.
- Modification to stock exhaust required to retain catalytic converter
- For 1964-74 vehicles with A.I.R. system (considered OEM replacement when existing emission controls are not removed from vehicle)Fits Applications Revision:
- GMC K1500 Pickup 1975-86, 88-95
Part TypeHeader
BrandHEDMAN
Package Height10.0
Package Width22.0
Package Length37.0
Weight32.4 PG
Part CategoryPerformance Parts
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 Number66093
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
