Description

Hedman Standard Duty HTC Coated Full-Length Headers 1955-57 Chevy Bel Air & 150/210 Series 283-400

Part Number: 66004

Standard Duty HTC Coated Full-Length Headers

1955-57 Chevy Bel Air & 150/210 Series 283-400

1-3/4″ Tube, 3″ Collector

Hedman Hedders has been manufacturing quality headers in the USA since 1954, and they’ve been manufacturing long and MID-LENGTH tube headers for Pontiac models for decades. 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 your vehicle’s exhaust system to bolt up, even if it is not perfectly aligned with the header collectors.

GM Cars

Without smog injection or injection heads

Modification to stock exhaust required to retain catalytic converter

Will fit heads with original angle plug location

Universal oval port design

Will fit 605 steering box

Front motor mounts only

For 1964-74 vehicles without A.I.R. system (considered OE replacement when existing emission controls are not removed from vehicle)

Specifications:

Part TypeHeaderApplicationAutomotiveBolts/Studs IncludedYesCatalytic Converter(s) IncludedNoCollector AttachmentBall and socket flangeCross Over Pipe IncludedNoCylinder Head Port ShapeOvalFlange StyleStandardGaskets IncludedYesHeader FinishSilver ceramic coatedHeader MaterialSteelHeader StyleFull-lengthMotor Mounts IncludedNoPrimary Tube Gauge18-gaugeQuantitySold as a pairReducers IncludedYesTransmission Mount IncludedNoTube DirectionDown SweptTunedNoWeld-UpNoCollector Diameter3 in (76.2 mm)Primary Tube Diameter1.75 in (44.5 mm)Manufacturer’s Part Number:66004Shipping Weight:32Package Height:11Package Depth:46Package Width:18.5Part Category:Performance PartsPart Fitment:Semi Universal

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