1984 GMC Jimmy Exhaust Header Parts

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1984 GMC Jimmy Exhaust Header Hedman

Uncoated Headers; 1-1/2 in. Tube Dia; 2-1/2 in. Coll; Stock Head; MID-LENGTH
Air Conditioning: Yes Power Steering: Yes Auto Transmission - Column: No Auto Transmission - Floor: Yes Manual Transmission - Column: No Manual Transmission - Floor: Yes Footnotes: (229) Engine Swap Headers. Emissions Notes: RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles. Engine Family: SB Chevy 283-400 (Gen 1) Contents:headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware Drivetrain:2WD Only! 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:27500 Cylinder Head:Stock Profile 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:18g Primary Tube Diameter (in):1.50 in. Mounting Hardware Included:Yes Header Material:Mild Steel Header Finish:Uncoated Cylinder Head Port Shape:Round Variations:69526, 69528 Tube Style:Mid-Length Tube Size:1-1/2 in. Tube Material Thickness:18g Tube Length:Mid-Length Tubes Tube Diameter:1-1/2 in. Reducer Outlet Size:2-1/2 in. Power Steering:Yes Port Shape:Round Material:Mild Steel Manual Transmission - Floor:Yes Manual Transmission - Column:No Key Feature:2WD Only. Header Port Shape:Round Replacement Head Flange Gasket:27500 Flange Style:Standard Finish Type:Uncoated Mild steel Finish:Uncoated Exhaust System Dia:2-1/2 in. Title:HEDMAN HEDDERS STANDARD UNCOATED HEADERS; 1-1/2 IN. TUBE DIA.; 2-1/2 IN. COLL.; STOCK HEADS; SHORTY DESIGN Collector Style:Ball and Socket Style (Gasketless) Collector Size:2-1/2 in. Automatic Transmission - Floor:Yes Automatic Transmission - Column:No Air Conditioning:Yes Reducers Included:Yes Header Style:Mid-Length Tube Gasket Or Seal Included:Yes Collector Attachment:2-1/2 in. Flange Thickness:0.25 in. Bolts/Studs Included:Yes Use With:Transmission Dapt. Motor Mount Kit #9906 Header Construction:Standard-Duty E.O. #:No California Proposition 65:WARNING: Cancer. For more info visit www.P65Warnings.ca.gov Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only. Collector Diameter:2-1/2 in. Notes :82-00 GM S10/15, Blazer, Jimmy, Sonoma 2WD SBC Tube Design:MID-LENGTH Engine:Chevy SB 283-400 (Gen 1) 1958-86 Head Type:Factory Heads
Standard Uncoated Headers; 1-1/2 in. Tube Dia.; 2-1/2 in. Coll.; Stock Heads; MID-LENGTH Design
Product Attributes:
- California Proposition 65: Warning: Cancer. For More Info Visit Www.p65warnings.ca.gov
- Header Port Shape: Round
- Quantity: Sold As A Pair.
- with A.I.R. System: No
- Cylinder Head: Stock Profile Heads
- Tuned: No
- Cylinder Head Port Shape: Round
- Header Style: Mid-length Tube
- Manual Transmission - Column: No
- Flange Style: Standard
- Collector Bolts Included: Yes
- Bolts/Studs Included: Yes
- Automatic Transmission - Floor: Yes
- with EGR: No
- Tube Material Thickness:
  - 16g
  - 18g
- Tube Diameter: 1-1/2 In.
- Automatic Transmission - Column: No
- Head Type: Factory Heads
- Package Contents: Headers, Ball And Socket Reducers (exhaust Adapters), Gaskets, Mounting Hardware
- Reducer Outlet Size: 2-1/2 In.
- Tube Size: 1-1/2 In.
- Port Shape: Round
- Tube Length: Mid-length Tubes
- Manual Transmission - Floor: Yes
- Collector Diameter: 2-1/2 In.
- Tube Style: Mid-length
- Variations: 69526, 69528
- Drivetrain: 2wd Only!
- Collector Size: 2-1/2 In.
- Header Finish: Uncoated
- Mounting Hardware Included: Yes
- Weld-Up: No
- Collector Attachment: 2-1/2 In.
- Header Fasteners Included: Yes
- Use With: Trans Dapt. Motor Mount Kit #9906
- Y-Pipe Included: No
- Contents: Headers, Gaskets (when Applicable), 3-bolt Exhaust Adapters, Hardware
- Finish Type: Uncoated Mild Steel
- Notes: 82-00 Gm S10/15, Blazer, Jimmy, Sonoma 2wd Sbc
- Motor Mounts Included: No
- Primary Tube Diameter (in): 1.50 In.
- Crossover Pipe Included: No
- Header Construction:
  - Mild Steel- Standard-duty
  - Standard-duty
- Replacement Head Flange Gasket: 27500
- Tube Design:
  - Mid-length
  - Standard
- Key Feature: 2wd Only.
- Power Steering: Yes
- E.O. #: No
- Exhaust System Dia: 2-1/2 In.
- Flange Thickness:
  - 0.25 In.
  - 0.3125 In.
- Engine: Chevy Sb 283-400 (gen 1) 1958-86
- Air Conditioning: Yes
- Installation Hardware Included: Yes
- Reducers Included: Yes
- Primary Tube Gauge:
  - 16g
  - 18g
- Header Material: Mild Steel
- Title: Hedman Hedders Standard Uncoated Headers; 1-1/2 In. Tube Dia.; 2-1/2 In. Coll.; Stock Heads; Shorty Design
- Catalytic Converter(s) Included: No
- Replacement Gasket: 27500
- 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.
Features:
- Handcrafted, Mild Steel Construction.
- The Mid-Length Tube Header Design Provides Significantly More Low and Mid-range Power than Cast Manifolds, and Provide Better Ground Clearance And Component Compatibility Than Long Tube Headers.
- Ball & Socket Collector Design requires No Gasket, and Allows For More Exhaust System Misalignment than Old School, Gasket-Style Header Collectors
- Includes All The Necessary Mounting Hardware, Gaskets and Reducers (exhaust adapters)
- Limted Lifetime Warranty On Construction, Five Year Warranty on Factory-Applied Header Coating!
- Proud To Say, Made In The USA, Since 1954!
Hedman Hedders has been manufacturing quality headers in the USA since 1954, and they've been manufacturing Chevy S10, GMC S15, V8 engine swap specific headers for over 20 years. 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 Small Block Chevy exhaust system to bolt up, even if it is not perfectly aligned with the header collectors.
These uncoated, MID-LENGTH TUBE headers are designed specifically for installing a Small Block Chevy 283-400 (Gen 1) engine into 1982-2004 Chevy S10/Blazer, GMC S15/Jimmy 2WD trucks. Fits both manual and automatic transmission trucks. The smooth 1-1/2 in. tube design provides ample exhaust flow to let your transplanted 283-400 SB Chevy engine breathe easy, and produce additional horsepower and torque over factory manifolds.
To ensure a proper installation, it is recommended that these headers be installed with Trans-Dapt Performance Product's #9906 engine swap mount kit.
These headers are uncoated, and ship from the factory with a temporary black paint that will burn off when submitted to normal operating temperatures. For protection against the element and lower underhood temperatures, these headers are also available with a silver or black ceramic-metallic finish.
Each set includes a pair of gaskets, header flange bolts and collector bolts. No collector gasket is needed.
Hedman Hedders is so confident in the quality of its headers that these headers are factory backed by a Limited Lifetime Warranty.

Additional Fitment Information:

Vehicle	Region	Fuel Type	Drive Type
1984 - GMC Jimmy	United States	GAS	RWD

6 In Stock

$395.39 CAD

$474.47 CAD

Brand	Hedman
Part #	H5669520
Condition	New
Warehouse	B

UPC: 732611695206

1984 GMC Jimmy Exhaust Header Hedman

Uncoated Headers; 1-1/2 in. Tube Dia; 2-1/2 in. Coll; Stock Head; MID-LENGTH
Air Conditioning: Yes Power Steering: Yes Auto Transmission - Column: No Auto Transmission - Floor: Yes Manual Transmission - Column: No Manual Transmission - Floor: Yes Footnotes: (229) Engine Swap Headers. Emissions Notes: RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles. Engine Family: SB Chevy 283-400 (Gen 1)
Standard Uncoated Headers; 1-1/2 in. Tube Dia.; 2-1/2 in. Coll.; Stock Heads; MID-LENGTH Design
Product Attributes:
- California Proposition 65: Warning: Cancer. For More Info Visit Www.p65warnings.ca.gov
- Header Port Shape: Round
- Quantity: Sold As A Pair.
- with A.I.R. System: No
- Cylinder Head: Stock Profile Heads
- Tuned: No
- Cylinder Head Port Shape: Round
- Header Style: Mid-length Tube
- Manual Transmission - Column: No
- Flange Style: Standard
- Collector Bolts Included: Yes
- Bolts/Studs Included: Yes
- Automatic Transmission - Floor: Yes
- with EGR: No
- Tube Material Thickness: 16g
- Tube Diameter: 1-1/2 In.
- Automatic Transmission - Column: No
- Head Type: Factory Heads
- Package Contents: Headers, Ball And Socket Reducers (exhaust Adapters), Gaskets, Mounting Hardware
- Reducer Outlet Size: 2-1/2 In.
- Tube Size: 1-1/2 In.
- Port Shape: Round
- Tube Length: Mid-length Tubes
- Manual Transmission - Floor: Yes
- Collector Diameter: 2-1/2 In.
- Tube Style: Mid-length
- Variations: 69526, 69528
- Drivetrain: 2wd Only!
- Collector Size: 2-1/2 In.
- Header Finish: Uncoated
- Mounting Hardware Included: Yes
- Weld-Up: No
- Collector Attachment: 2-1/2 In.
- Header Fasteners Included: Yes
- Use With: Trans Dapt. Motor Mount Kit #9906
- Y-Pipe Included: No
- Contents: Headers, Gaskets (when Applicable), 3-bolt Exhaust Adapters, Hardware
- Finish Type: Uncoated Mild Steel
- Notes: 82-00 Gm S10/15, Blazer, Jimmy, Sonoma 2wd Sbc
- Motor Mounts Included: No
- Primary Tube Diameter (in): 1.50 In.
- Crossover Pipe Included: No
- Header Construction: Mild Steel- Standard-duty
- Replacement Head Flange Gasket: 27500
- Tube Design: Standard
- Key Feature: 2wd Only.
- Power Steering: Yes
- E.O. #: No
- Exhaust System Dia: 2-1/2 In.
- Flange Thickness: 0.3125 In.
- Engine: Chevy Sb 283-400 (gen 1) 1958-86
- Air Conditioning: Yes
- Installation Hardware Included: Yes
- Reducers Included: Yes
- Primary Tube Gauge: 16g
- Header Material: Mild Steel
- Title: Hedman Hedders Standard Uncoated Headers; 1-1/2 In. Tube Dia.; 2-1/2 In. Coll.; Stock Heads; Shorty Design
- Catalytic Converter(s) Included: No
- Replacement Gasket: 27500
- 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.
Features:
- Handcrafted, Mild Steel Construction.
- The Mid-Length Tube Header Design Provides Significantly More Low and Mid-range Power than Cast Manifolds, and Provide Better Ground Clearance And Component Compatibility Than Long Tube Headers.
- Ball & Socket Collector Design requires No Gasket, and Allows For More Exhaust System Misalignment than Old School, Gasket-Style Header Collectors
- Includes All The Necessary Mounting Hardware, Gaskets and Reducers (exhaust adapters)
- Limted Lifetime Warranty On Construction, Five Year Warranty on Factory-Applied Header Coating!
- Proud To Say, Made In The USA, Since 1954!
Hedman Hedders has been manufacturing quality headers in the USA since 1954, and they've been manufacturing Chevy S10, GMC S15, V8 engine swap specific headers for over 20 years. 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 Small Block Chevy exhaust system to bolt up, even if it is not perfectly aligned with the header collectors.
These uncoated, MID-LENGTH TUBE headers are designed specifically for installing a Small Block Chevy 283-400 (Gen 1) engine into 1982-2004 Chevy S10/Blazer, GMC S15/Jimmy 2WD trucks. Fits both manual and automatic transmission trucks. The smooth 1-1/2 in. tube design provides ample exhaust flow to let your transplanted 283-400 SB Chevy engine breathe easy, and produce additional horsepower and torque over factory manifolds.
To ensure a proper installation, it is recommended that these headers be installed with Trans-Dapt Performance Product's #9906 engine swap mount kit.
These headers are uncoated, and ship from the factory with a temporary black paint that will burn off when submitted to normal operating temperatures. For protection against the element and lower underhood temperatures, these headers are also available with a silver or black ceramic-metallic finish.
Each set includes a pair of gaskets, header flange bolts and collector bolts. No collector gasket is needed.
Hedman Hedders is so confident in the quality of its headers that these headers are factory backed by a Limited Lifetime Warranty.

Additional Fitment Information:

Vehicle	Region	Fuel Type	Drive Type	Engine Version
1984 - GMC Jimmy	United States	GAS	RWD	Chevrolet

6 In Stock

$395.39 CAD

$474.47 CAD

Brand	Hedman
Part #	H5669520
Condition	New
Warehouse	B

UPC: 732611695206

1984 GMC Jimmy Exhaust Header 8 Cyl 5.0L FlowTech

1.5 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;Intended For Race Use Only May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Remove The Rubber Stopper Below The Starter On 4WD Only~Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange
Long Tube Headers; 1.5 in. Primary Tubing; 3 in. Collector Size; Mild Steel; Black Painted Finish; Gaskets; Hardware;
Long Tube Headers
Product Attributes:
- Tube Diameter: 1.500 In.
- Primary Tube Diameter: 1.500 In.
- WARNING CA Proposition 65: Yes
- Application: Automotive
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Coated Finish: Painted
- Port Shape: Round
- Engine Make/Size: Chevy Small Block (262-400)
- Tube Direction: Down Swept
Features:
- Fuel Economy From The Engine
- Leak Test For Max Performance
- Mandrel-Formed Power Plenum
- Leak-proof O-Ringed Port Seals
- Include All Mounting Hardware
- Precision Engineered For Fit
Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 5/16 flanges with sealing rings for a leak-free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat resistant black paint for a stealthy appearance.

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1984 - GMC Jimmy	V	-	8 Cyl 5.0L	305

17 In Stock

$353.76 CAD

$424.51 CAD

Brand	FlowTech
Part #	F3111500FLT
Condition	New
Warehouse	B

1984 GMC Jimmy Exhaust Header Hedman

Standard Uncoated Headers; 1-5/8 in. Tube Dia; FULL LENGTH Design
Air Conditioning: Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110 Power Steering: Yes Auto Transmission - Column: Yes Auto Transmission - Floor: Yes Manual Transmission - Column: Yes Manual Transmission - Floor: No Footnotes: (1) Without smog injection or injection heads. Footnotes: (121) Must modify rotary A/C bracket. Footnotes: (47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892. Footnotes: (6) Modification to stock exhaust required to retain catalytic converter. Footnotes: (230) This model is recommended for use with lift kits. Emissions Notes: RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.
Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design
Product Attributes:
- California Proposition 65: Warning: Cancer. For More Info Visit Www.p65warnings.ca.gov
- Header Port Shape: Round
- Quantity: Sold As A Pair.
- with A.I.R. System: No
- Cylinder Head: Stock Profile Heads
- Tuned: No
- Cylinder Head Port Shape: Round
- Header Style: Long Tube
- Manual Transmission - Column: Yes
- Flange Style: Standard
- Collector Bolts Included: Yes
- Bolts/Studs Included: Yes
- Automatic Transmission - Floor: Yes
- with EGR: No
- Tube Material Thickness: 16g
- Tube Diameter: 1-5/8 In.
- Automatic Transmission - Column: Yes
- Package Contents: Headers, Ball And Socket Reducers (exhaust Adapters), Gaskets, Mounting Hardware
- Reducer Outlet Size: 2-1/2 In.
- Tube Size: 1-5/8 In.
- Port Shape: Round
- Tube Length: Long Tubes
- Manual Transmission - Floor: Yes
- Collector Diameter: 3 In.
- Tube Style: Long Tubes
- Variations: 69236, 69830
- Collector Size: 3 In.
- Header Finish: Uncoated
- Mounting Hardware Included: Yes
- Weld-Up: No
- Collector Attachment: 3 In.
- Header Fasteners Included: Yes
- Y-Pipe Included: No
- Contents: Headers, Gaskets (when Applicable), 3-bolt Exhaust Adapters, Hardware
- Finish Type: Uncoated Mild Steel
- Motor Mounts Included: No
- Primary Tube Diameter (in): 1.625 In.
- Crossover Pipe Included: No
- Header Construction: Mild Steel- Standard-duty
- Replacement Head Flange Gasket: 27500
- Tube Design: Standard
- Power Steering: Yes
- E.O. #: No
- Exhaust System Dia: 2-1/2 In.
- Flange Thickness: 0.3125 In.
- Air Conditioning: Yes
- Installation Hardware Included: Yes
- Reducers Included: Yes
- Primary Tube Gauge: 16g
- Header Material: Mild Steel
- Title: Hedman Hedders Standard Uncoated Headers; 1-5/8 In. Tube Dia.; 3 In. Coll.; Full Length Design
- Catalytic Converter(s) Included: No
- Replacement Gasket: 27500
- 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.
Features:
- Handcrafted, Mild Steel Construction.
- Long Tube Header Design Provides Excellent Top-End Horsepower and Torque.
- Ball & Socket Collector Design requires No Gasket, and Allows For More Exhaust System Misalignment than Old School, Gasket-Style Header Collectors
- Includes All The Necessary Mounting Hardware, Gaskets and Reducers (exhaust adapters)
- Limted Lifetime Warranty On Construction, Five Year Warranty on Factory-Applied Header Coating!
- Proud To Say, Made In The USA, Since 1954!
Hedman Hedders has been manufacturing quality headers in the USA since 1954, and they've been manufacturing long and MID-LENGTH tube headers for Chevy trucks for nearly as long. 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 Small Block Chevy exhaust system to bolt up, even if it is not perfectly aligned with the header collectors.
These uncoated, LONG-TUBE headers fit 1967-1991 4WD (only) 1/2 and 3/4 ton Chevy Trucks, Blazers and Suburbans, powered by a Small Block Chevy engine (check the application listings for exact fitment). The smooth 1-5/8 in. tube design provides ample exhaust flow to let your truck's 283-400 SB Chevy engine breathe easy, and produce maximum horsepower and torque.
These headers are uncoated, and ship from the factory with a temporary black paint that will burn off when submitted to normal operating temperatures. For protection against the element and lower underhood temperatures, these headers are also available with a silver or black ceramic-metallic finish.
Each set includes a pair of gaskets, header flange bolts and collector bolts. No collector gasket is needed.
Hedman Hedders is so confident in the quality of its headers that these headers are factory backed by a Limited Lifetime Warranty.

Additional Fitment Information:

Vehicle	Transmission	Region	Fuel Type	Drive Type
1984 - GMC Jimmy	Manual	United States	GAS	4WD

Brand	Hedman
Part #	H5669230
Condition	New
Warehouse	B

UPC: 732611692304

1984 GMC Jimmy Exhaust Header Hedman

MILD STEEL HEADERS; LONG; 67-91 2WD/4WD SB CHEVY TRUCKS/SUVS; 1-3/4 IN.-UNCOATED
Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110 Power Steering: Yes Auto Transmission - Column: Yes Auto Transmission - Floor: Yes Manual Transmission - Column: No Manual Transmission - Floor: Some vehicles may encounter clutch shaft interference when cross shaft location is under or behind the driver side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892. 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: (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
Product Attributes:
- California Proposition 65: Warning: Cancer. For More Info Visit Www.p65warnings.ca.gov
- Header Port Shape: Rectangle
- Quantity: Sold As A Pair.
- with A.I.R. System: No
- 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.
- Tuned: No
- Cylinder Head Port Shape: Rectangle
- Header Style: Long Tube
- Manual Transmission - Column: No
- Flange Style: Standard
- Collector Bolts Included: Yes
- Bolts/Studs Included: Yes
- Chassis Compatibility: Not For Vehicles With Offset (right) Engine Position!
- Automatic Transmission - Floor: Yes
- with EGR: No
- Tube Material Thickness: 16g
- Tube Diameter: 1-3/4 In.
- Automatic Transmission - Column: Yes
- Package Contents: Headers, Ball And Socket Reducers (exhaust Adapters), Gaskets, Mounting Hardware
- Reducer Outlet Size: 2-1/2 In.
- Tube Size: 1-3/4 In.
- Port Shape: Rectangle
- Tube Length: Long Tubes
- Manual Transmission - Floor: No
- Collector Diameter: 3 In.
- Tube Style: Long Tubes
- Air Conditioning Notes: Must Modify Rotary A/c Bracket (121)
- Variations: 69086, 69088
- Collector Size: 3 In.
- Header Finish: Uncoated
- Mounting Hardware Included: Yes
- Weld-Up: No
- Collector Attachment: 3 In.
- Header Fasteners Included: Yes
- Y-Pipe Included: No
- 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
- Motor Mounts Included: No
- Primary Tube Diameter (in): 1.75 In.
- Crossover Pipe Included: No
- Header Construction:
  - Mild Steel- Standard-duty
  - Standard-duty
- Replacement Head Flange Gasket: 27560
- Tube Design:
  - Long Tubes
  - Standard
- Power Steering: Yes
- E.O. #: No
- Exhaust System Dia: 2-1/2 In.
- Flange Thickness: 0.3125 In.
- Air Conditioning: Yes
- Installation Hardware Included: Yes
- Reducers Included: Yes
- Primary Tube Gauge: 16g
- 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
- Replacement Gasket: 27560
- 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.
Features:
- Handcrafted, Mild Steel Construction.
- Long Tube Header Design Provides Excellent Top-End Horsepower and Torque.
- Ball & Socket Collector Design requires No Gasket, and Allows For More Exhaust System Misalignment than Old School, Gasket-Style Header Collectors
- Includes All The Necessary Mounting Hardware, Gaskets and Reducers (exhaust adapters)
- Limted Lifetime Warranty On Construction, Five Year Warranty on Factory-Applied Header Coating!
- Proud To Say, Made In The USA, Since 1954!
Hedman Hedders has been manufacturing quality headers in the USA since 1954, and they've been manufacturing LONG and MID-LENGTH tube headers for Chevy trucks for nearly as long. 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 Small Block Chevy exhaust system to bolt up, even if it is not perfectly aligned with the header collectors.
These uncoated, LONG-TUBE headers are one of Hedman's best selling Chevy truck headers. They fit a wide range of early to mid-year 1967-1987 2WD & 4WD Chevy/GMC 1/2 Ton and 3/4 ton trucks, Blazers and Suburbans (check the application listings for exact fitment) powered by a Small Block Chevy engine (without A.I.R. System). The smooth 1-3/4 in. tube design provides superior exhaust flow to let your truck's 283-400 SB Chevy engine breathe easy, and produce maximum horsepower and torque. These headers are uncoated, and ship from the factory with a temporary black paint that will burn off when submitted to normal operating temperatures. For protection against the element and lower under hood temperatures, these headers are also available with a silver or black ceramic-metallic finish.
Each set includes a pair of gaskets, header flange bolts and collector bolts. No collector gasket is needed.
Hedman Hedders is so confident in the quality of its headers that these headers are factory backed by a Limited Lifetime Warranty.

Additional Fitment Information:

Vehicle	Region
1984 - GMC Jimmy	United States

Brand	Hedman
Part #	H5669080
Condition	New
Warehouse	B

UPC: 732611690805

1984 GMC Jimmy Exhaust Header Hedman

Standard Uncoated Headers; 1-5/8 in. Tube Dia; FULL LENGTH Design
Air Conditioning: 1970 or later large piston A/C compressors require Hedman A/C Bracket 20110 Power Steering: Yes Auto Transmission - Column: Yes Auto Transmission - Floor: Yes Manual Transmission - Column: Yes Manual Transmission - Floor: No Footnotes: (1) Without smog injection or injection heads. Footnotes: (121) Must modify rotary A/C bracket. Footnotes: (47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use 69092 without A.I.R. Use 69093 with A.I.R. Order Elite 69892. Footnotes: (6) Modification to stock exhaust required to retain catalytic converter. Footnotes: (230) This model is recommended for use with lift kits. 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:27500 Cylinder Head:Stock Profile 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:18g Primary Tube Diameter (in):1.625 in. Mounting Hardware Included:Yes Header Material:Mild Steel Header Finish:Uncoated Cylinder Head Port Shape:Round Variations:69236, 69830 Tube Size:1-5/8 in. Tube Material Thickness:18g Tube Length:Long Tubes Tube Diameter:1-5/8 in. Tube Design:LONG TUBES Reducer Outlet Size:2-1/2 in. Power Steering:Yes Port Shape:Round Material:Mild Steel Manual Transmission - Floor:Yes Manual Transmission - Column:Yes Header Port Shape:Round Replacement Head Flange Gasket:27500 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:0.25 in. Bolts/Studs Included:Yes Header Construction:Standard-Duty E.O. #:No Contents:headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware California Proposition 65:WARNING: Cancer. For more info visit www.P65Warnings.ca.gov Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only. Title:HEDMAN HEDDERS STANDARD UNCOATED HEADERS; 1-5/8 IN. TUBE DIA.; 3 IN. COLL.; FULL LENGTH DESIGN Notes :67-91 GM 3/4, 1 Ton Truck, SUV 283-400 4WD Collector Diameter:3 in. Tube Style:Long Tubes
Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design
Product Attributes:
- California Proposition 65: Warning: Cancer. For More Info Visit Www.p65warnings.ca.gov
- Header Port Shape: Round
- Quantity: Sold As A Pair.
- with A.I.R. System: No
- Cylinder Head: Stock Profile Heads
- Tuned: No
- Cylinder Head Port Shape: Round
- Header Style: Long Tube
- Manual Transmission - Column: Yes
- Flange Style: Standard
- Collector Bolts Included: Yes
- Bolts/Studs Included: Yes
- Automatic Transmission - Floor: Yes
- with EGR: No
- Tube Material Thickness:
  - 16g
  - 18g
- Tube Diameter: 1-5/8 In.
- Automatic Transmission - Column: Yes
- Package Contents: Headers, Ball And Socket Reducers (exhaust Adapters), Gaskets, Mounting Hardware
- Reducer Outlet Size: 2-1/2 In.
- Tube Size: 1-5/8 In.
- Port Shape: Round
- Tube Length: Long Tubes
- Manual Transmission - Floor: Yes
- Collector Diameter: 3 In.
- Tube Style: Long Tubes
- Variations: 69236, 69830
- Collector Size: 3 In.
- Header Finish: Uncoated
- Mounting Hardware Included: Yes
- Weld-Up: No
- Collector Attachment: 3 In.
- Header Fasteners Included: Yes
- Y-Pipe Included: No
- Contents: Headers, Gaskets (when Applicable), 3-bolt Exhaust Adapters, Hardware
- Finish Type: Uncoated Mild Steel
- Notes: 67-91 Gm 3/4, 1 Ton Truck, Suv 283-400 4wd
- Motor Mounts Included: No
- Primary Tube Diameter (in): 1.625 In.
- Crossover Pipe Included: No
- Header Construction:
  - Mild Steel- Standard-duty
  - Standard-duty
- Replacement Head Flange Gasket: 27500
- Tube Design:
  - Long Tubes
  - Standard
- Power Steering: Yes
- E.O. #: No
- Exhaust System Dia: 2-1/2 In.
- Flange Thickness:
  - 0.25 In.
  - 0.3125 In.
- Air Conditioning: Yes
- Installation Hardware Included: Yes
- Reducers Included: Yes
- Primary Tube Gauge:
  - 16g
  - 18g
- Header Material: Mild Steel
- Title: Hedman Hedders Standard Uncoated Headers; 1-5/8 In. Tube Dia.; 3 In. Coll.; Full Length Design
- Catalytic Converter(s) Included: No
- Replacement Gasket: 27500
- 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.
Features:
- Handcrafted, Mild Steel Construction.
- Long Tube Header Design Provides Excellent Top-End Horsepower and Torque.
- Ball & Socket Collector Design requires No Gasket, and Allows For More Exhaust System Misalignment than Old School, Gasket-Style Header Collectors
- Includes All The Necessary Mounting Hardware, Gaskets and Reducers (exhaust adapters)
- Limted Lifetime Warranty On Construction, Five Year Warranty on Factory-Applied Header Coating!
- Proud To Say, Made In The USA, Since 1954!
Hedman Hedders has been manufacturing quality headers in the USA since 1954, and they've been manufacturing long and MID-LENGTH tube headers for Chevy trucks for nearly as long. 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 Small Block Chevy exhaust system to bolt up, even if it is not perfectly aligned with the header collectors.
These uncoated, LONG-TUBE headers fit 1967-1991 4WD (only) 1/2 and 3/4 ton Chevy Trucks, Blazers and Suburbans, powered by a Small Block Chevy engine (check the application listings for exact fitment). The smooth 1-5/8 in. tube design provides ample exhaust flow to let your truck's 283-400 SB Chevy engine breathe easy, and produce maximum horsepower and torque.
These headers are uncoated, and ship from the factory with a temporary black paint that will burn off when submitted to normal operating temperatures. For protection against the element and lower underhood temperatures, these headers are also available with a silver or black ceramic-metallic finish.
Each set includes a pair of gaskets, header flange bolts and collector bolts. No collector gasket is needed.
Hedman Hedders is so confident in the quality of its headers that these headers are factory backed by a Limited Lifetime Warranty.

Additional Fitment Information:

Vehicle	Transmission	Region	Fuel Type	Drive Type
1984 - GMC Jimmy	Automatic	United States	GAS	4WD

Brand	Hedman
Part #	H5669230
Condition	New
Warehouse	B

UPC: 732611692304

1984 GMC Jimmy Exhaust Header 8 Cyl 5.0L FlowTech

1.5 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only May Require Clutch Linkage Modification~Does Not Fit w/Angle Plug Heads~Must Remove The Rubber Stopper Below The Starter On 4WD Only~Req. A/C Bracket PN[10042FLT]~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~Must Modify Stock Exhaust To Retain Cat. Converter
Ceramic Header; 1.5 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;
Ceramic Header
Product Attributes:
- Tube Diameter: 1.500 In.
- Primary Tube Diameter: 1.500 In.
- WARNING CA Proposition 65: Yes
- Application: Automotive
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Coated Finish: Metallic Ceramic
- Port Shape: Round
- Engine Make/Size: Chevy Small Block (262-400)
- Tube Direction: Down Swept
Features:
- Fuel Economy From The Engine
- Leak Test For Max Performance
- Ceramic Headers
- Rust And Corrosion Resistance
- Mandrel-Formed Power Plenum
- Leak-proof O-Ringed Port Seals
- Include All Mounting Hardware
Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 5/16 flanges with sealing rings for a leak-free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat and corrosion resistant metallic ceramic thermal coating that increases exhaust velocity and reduces underhood temps for increased performance.