Air ConditioningDependent on Vehicle (refer to VEHICLE APPLICATION Footnotes)
Automatic Transmission - ColumnYes
Automatic Transmission - FloorYes
Bolts/Studs IncludedYes
California Proposition 65WARNING: Cancer. For more info visit www.P65Warnings.ca.gov
Catalytic Converter(s) IncludedNo
Collector AttachmentBall and socket flange
Collector Bolts IncludedYes
Collector Diameter3 in.
Collector Size3 in.
Collector StyleBall and Socket Style (Gasketless)
ContentsHeader(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions
Crossover Pipe IncludedNO
Cylinder HeadStock Profile Heads
Cylinder Head Port ShapeOval
E.O. #No
Emissions NotesNOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.
EngineChevy SB 283-400 (Gen 1) 1958-86
Exhaust System Dia2-1/2 in.
FinishUncoated
Finish TypeUNCOATED Mild Steel! Shipped with Temporary Paint.
Flange StyleStandard
FLANGE Thickness0.3125 In.
Flange Thickness (in)5/16 in.
Gasket Or Seal IncludedYes
Header ConstructionMILD STEEL- Standard-Duty
Header Fasteners IncludedYes
Header FinishNatural
Header MaterialSteel
Header Port ShapeRectangle Port
Header StyleFull-length
Installation Hardware IncludedYes
Manual Transmission - ColumnYes
Manual Transmission - FloorYes
MaterialMild Steel
Motor Mounts IncludedNo
Mounting Hardware IncludedYes
Notes67-69 Camaro, 68-74 Nova 283-400
Package ContentsHeaders, ball and socket reducers (exhaust adapters), gaskets, mounting hardware
Port ShapeRectangle
Power SteeringYes
Primary Tube Diameter (in)1 3/4 in.
Primary Tube Gauge18-gauge
Product Info67-69 CHEVROLET CAMARO- 13/4 in., 3 in. - STANDARD TUBE
QuantitySold as a pair.
Reducer Outlet Size2-1/2 in.
Reducers IncludedNo
Replacement Gasket27560
Replacement Head Flange Gasket27560
TitleHEDMAN HEDDERS STANDARD UNCOATED HEADERS; 1-3/4 IN. TUBE DIA.; 3 IN. COLL.; FULL LENGTH DESIGN
Transmission Mount IncludedNo
Tube DesignStandard
Tube Diameter1-3/4 in.
Tube LengthLONG Tubes
Tube Material Thickness16g
Tube Size1-3/4 in.
Tube StyleLong Tubes
TunedYes
Variations66003
Weld-UpNo
with A.I.R. SystemNo
With EGRNo
Y-Pipe IncludedNo