MILD STEEL HEADERS; LONG; 67-91 2WD/4WD SB CHEVY TRUCKS/SUVS; 1-3/4 IN.-UNCOATED
Air Conditioning: Yes
Power Steering: Yes
Auto Transmission - Column: Yes
Auto Transmission - Floor: Yes
Manual Transmission - Column: No
Manual Transmission - Floor: No
Footnotes: (1) Without smog injection or injection heads.
Footnotes: (103) Will fit with angle plug heads (Chevy aluminum only, L98).
Footnotes: (121) Must modify rotary A/C bracket.
Footnotes: (160) Early chassis only.
Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.
Emissions Notes: RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
Y-Pipe Included:No
with EGR:No
with A.I.R. System:No
Package Contents:Set of Headers, mounting hardware and gaskets
Installation Hardware Included:Yes
Replacement Gasket:27560
Cylinder Head:Fits Factory GM Aluminum or Cast Iron, Angle Plug and Straight Plug Heads.
Quantity:Sold as a pair.
Motor Mounts Included:No
Crossover Pipe Included:No
Catalytic Converter(s) Included:No
Collector Bolts Included:Yes
Catalog Code:HED
Weld-Up:No
Tuned:No
Primary Tube Gauge:16g
Primary Tube Diameter (in):1.75 in.
Mounting Hardware Included:Yes
Header Material:Mild Steel
Header Finish:Uncoated
Cylinder Head Port Shape:Rectangle
Variations:69086, 69088
Tube Size:1-3/4 in.
Tube Material Thickness:16g
Tube Length:Long Tubes
Tube Diameter:1-3/4 in.
Tube Design:LONG TUBES
Reducer Outlet Size:2-1/2 in.
Power Steering:Yes
Port Shape:Rectangle
Material:Mild Steel
Manual Transmission - Floor:No
Manual Transmission - Column:No
Header Port Shape:Rectangle
Replacement Head Flange Gasket:27560
Flange Style:Standard
Finish Type:Uncoated Mild steel
Finish:Uncoated
Exhaust System Dia:2-1/2 in.
Collector Style:Ball and Socket Style (Gasketless)
Collector Size:3 in.
Automatic Transmission - Floor:Yes
Automatic Transmission - Column:Yes
Air Conditioning:Yes
Reducers Included:Yes
Header Style:Long Tube
Gasket Or Seal Included:Yes
Collector Attachment:3 in.
Flange Thickness:0.3125 in.
Bolts/Studs Included:Yes
Header Construction:Standard-Duty
E.O. #:No
California Proposition 65:WARNING: Cancer. For more info visit www.P65Warnings.ca.gov
Contents:headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware
Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.
Title:HEDMAN HEDDERS STANDARD UNCOATED HEADERS; 1-3/4 IN. TUBE DIA.; 3 IN. COLL.; FULL LENGTH DESIGN
Collector Diameter:3 in.
Notes :67-91 GM. Full Size Blazer, Jimmy, Suburban 283-400 2-4WD
Chassis Compatibility:NOT For Vehicles With Offset (right) Engine Position!
Tube Style:Long Tubes
Long Tube, Standard-Duty Headers For 1967-91 Chevy/GMC 2WD & 4WD Pickup Trucks, Blazers & SUVs with 283-400 SB Chevy; 1-3/4 In. Long Tubes, 3 in. Ball/Socket Collector- UNCOATED Mild Steel
General
California Proposition 65
Warning: Cancer. For More Info Visit Www.p65warnings.ca.gov
Header Port Shape
Rectangle
Cylinder Head
- Fits Factory Gm Aluminum Angle Plug And Straight Plug Heads.
- Fits Factory Gm Aluminum Or Cast Iron, Angle Plug And Straight Plug Heads.
Cylinder Head Port Shape
Rectangle
Manual Transmission - Column
No
Collector Bolts Included
Yes
Chassis Compatibility
Not For Vehicles With Offset (right) Engine Position!
Automatic Transmission - Floor
Yes
Tube Material Thickness
16g
Automatic Transmission - Column
Yes
Package Contents
Headers, Ball And Socket Reducers (exhaust Adapters), Gaskets, Mounting Hardware
Reducer Outlet Size
2-1/2 In.
Manual Transmission - Floor
No
Air Conditioning Notes
Must Modify Rotary A/c Bracket (121)
Mounting Hardware Included
Yes
Collector Attachment
3 In.
Header Fasteners Included
Yes
Contents
Headers, Gaskets (when Applicable), 3-bolt Exhaust Adapters, Hardware
Finish Type
Uncoated Mild Steel
Notes
67-91 Gm. Full Size Blazer, Jimmy, Suburban 283-400 2-4wd
Primary Tube Diameter (in)
1.75 In.
Crossover Pipe Included
No
Header Construction
- Mild Steel- Standard-duty
- Standard-duty
Replacement Head Flange Gasket
27560
Exhaust System Dia
2-1/2 In.
Flange Thickness
0.3125 In.
Installation Hardware Included
Yes
Header Material
Mild Steel
Title
Hedman Hedders Standard Uncoated Headers; 1-3/4 In. Tube Dia.; 3 In. Coll.; Full Length Design
Catalytic Converter(s) Included
No
Collector Style
Ball And Socket Style (gasketless)
Emissions Notes
Not Legal For Street Use On '75-later Model Years! Legal For Off-road Use Only.
Information on technical characteristics, the delivery set, the country of manufacture and the appearance
of the goods is for reference only and is based on the latest information available at the time of publication.