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  • Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design fits 1975-1977 Chevrolet Monza / 1971-1977 Chevrolet Vega / 1975-1977 Oldsmobile Starfire / 1975-1977 Pontiac Astre / 1976 1977 Pontiac Sunbird
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Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design fits 1975-1977 Chevrolet Mo...
Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design fits 1975-1977 Chevrolet Mo...
Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design fits 1975-1977 Chevrolet Mo...
Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design fits 1975-1977 Chevrolet Mo...
Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design fits 1975-1977 Chevrolet Mo...
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Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design fits 1975-1977 Chevrolet Monza / 1971-1977 Chevrolet Vega / 1975-1977 Oldsmobile Starfire / 1975-1977 Pontiac Astre / 1976 1977 Pontiac Sunbird

⚠️ Please verify fitment before purchasing. Check the fitment chart below or use the Year/Make/Model tool to confirm this part fits your vehicle.

⚠️ Verify fitment before purchasing. Check the fitment chart below or click the 3 lines in the top left menu, select Home, then use the Year/Make/Model guide.

Hedman Hedders
68340
In stock
$867.58 USD $423.99 USD
$423.99 USD
Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design fits 1975-1977 Chevrolet Monza / 1971-1977 Chevrolet Vega / 1975-1977 Oldsmobile Starfire / 1975-1977 Pontiac Astre / 1976 1977 Pontiac Sunbird
Description
Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design


Specifications:

Description_DEF [B@8b336b6
Description_DES [B@4ad876a7
Description_EXT [B@48a8f9d2
Description_FAB [B@155776e
Description_FAB [B@10c2f774
Description_FAB [B@19a6c685
Description_FAB [B@164fda0a
Description_FAB [B@3c0b31aa
Description_FAB [B@3bf50808
Description_INV [B@14c8731d
Description_SHO [B@7c3f7404
Title HEDMAN HEDDERS STANDARD UNCOATED HEADERS; 1-5/8 IN. TUBE DIA.; 3 IN. COLL.; FULL LENGTH DESIGN
Tube Length Long Tubes
Material Mild Steel
Tube Design Standard
Tube Diameter 1-5/8 in.
Mounting Hardware Included Yes
with A.I.R. System No
with EGR No
Weld-Up No
Tuned No
Bolts/Studs Included Yes
Catalytic Converter(s) Included No
Collector Bolts Included Yes
Crossover Pipe Included No
Gasket Or Seal Included Yes
Header Fasteners Included Yes
Installation Hardware Included Yes
Motor Mounts Included No
Reducers Included Yes
Tube Size 1-5/8 in.
Y-Pipe Included No
Quantity Sold as a pair.
Primary Tube Gauge 16g
Primary Tube Diameter (in) 1.625 in.
Package Contents Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware
Header Material Mild Steel
Header Finish Uncoated
Cylinder Head Port Shape Round
Cylinder Head Stock Profile Heads
Header Construction MILD STEEL- Standard-Duty
Replacement Gasket 27500
Replacement Head Flange Gasket 27500
California Proposition 65 WARNING: Cancer. For more info visit www.P65Warnings.ca.gov
Variations 68346
Tube Material Thickness 16g
Tube Style Long Tubes
Air Conditioning No
Automatic Transmission - Column No
Automatic Transmission - Floor No
Manual Transmission - Column No
Manual Transmission - Floor Yes
Flange Thickness 0.3125 in.
Footnotes 131. Chevy Engine
Exhaust System Dia 2-1/2 in.
Reducer Outlet Size 2-1/2 in.
Collector Attachment 3 in.
Collector Diameter 3 in.
Collector Size 3 in.
Collector Style BALL and SOCKET Style (Gasketless)
Notes Chev. Monza, Vega, Olds Starfire, Pontiac Astre, Sunbird V8 Swap
Contents Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions
Header Style Long Tube
E.O. # No
Power Steering No
Emissions Notes Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only.
Header Port Shape Round
Port Shape Round
Flange Style Standard
Finish Uncoated
Finish Type UNCOATED Mild Steel! Shipped with Temporary Paint.
Power Brakes Will not fit power brakes


This Part Fits:

Year Make Model Submodel Engine
1976 Chevrolet Monza Base Hatchback 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1976-1979 Chevrolet Monza 2+2 Hatchback 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1976-1979 Chevrolet Monza 2+2 Spyder Hatchback 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1977 Chevrolet Monza Mirage Hatchback 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1977 Chevrolet Monza Towne Coupe Cabriolet Coupe 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1977 Chevrolet Monza Towne Coupe Coupe 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1977 Chevrolet Monza Towne Coupe Sport Coupe 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1977 Oldsmobile Starfire Base Hatchback 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1977 Oldsmobile Starfire Firenza Hatchback 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1977 Oldsmobile Starfire GT Hatchback 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1977 Oldsmobile Starfire SX Hatchback 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1978 Chevrolet Monza Sport Coupe 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1978-1979 Chevrolet Monza 2+2 Sport Hatchback 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1978-1979 Chevrolet Monza Base Coupe 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1978-1979 Chevrolet Monza Base Wagon 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1978-1979 Chevrolet Monza S Hatchback 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1978-1979 Oldsmobile Starfire Base Coupe 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1978-1979 Oldsmobile Starfire Firenza Coupe 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1978-1979 Oldsmobile Starfire GT Coupe 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1978-1979 Oldsmobile Starfire SX Coupe 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1978-1979 Pontiac Sunbird Base Coupe 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
1978-1979 Pontiac Sunbird Base Hatchback 2-Door 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
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