1971 Buick Gs {{var Category}} {{depend Subcategory_1}}{{var Subcategory_1}}{{/depend}}{{depend Subcategory_2}}, {{var Subcategory_2}}{{/depend}}{{depend Subcategory_3}}, {{var Subcategory

Hedman Hedders 68740 - Ls Cast Manifold (Raw)

Hedman Hedders Ls Cast Manifolds are made from the highest quality materials, and guarantee to deliver superior functionality and durability. Free shipping to all of USA!

Fitment:

1971 BUICK GS

$375.61

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Hedman Hedders 68743 - Ls Cast Manifold with Black Maxx Coating

Hedman Hedders Ls Cast Manifolds are made from the highest quality materials, and guarantee to deliver superior functionality and durability. Free shipping to all of USA!

Fitment:

1971 BUICK GS

$537.99

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Hedman Hedders 62156 - LS Engine Swap 3.00" Long Tube Header

Header Series: LS Engine Swap
Header Style: Long Tube
Primary Tube Diameter (in): 1 3/4"
Header Flange Thickness (in): 3/8"
Inlet Port Shape: Round
Material: Mild Steel

Fitment:

1971 BUICK GS

$1,090.29

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Hedman Hedders 68143 - LS Engine Swap 3.00" Long Tube Header

Header Series: LS Engine Swap
Header Style: Long Tube
Primary Tube Diameter (in): 1" - 3/4"
Header Flange Thickness (in): 3/8"
Inlet Port Shape: Round
Material: Mild Steel

Fitment:

1971 BUICK GS

$683.79

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Hedman Hedders 68146 - LS Engine Swap 3.00" Long Tube Header

Header Series: LS Engine Swap
Header Style: Long Tube
Primary Tube Diameter (in): 1" - 3/4"
Header Flange Thickness (in): 3/8"
Inlet Port Shape: Round
Material: Mild Steel

Fitment:

1971 BUICK GS

$700.15

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Hedman Hedders 68748 - Ls Cast Manifold with Non-Polished Coating

Hedman Hedders Ls Cast Manifolds are made from the highest quality materials, and guarantee to deliver superior functionality and durability. Free shipping to all of USA!

Fitment:

1971 BUICK GS

$522.34

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Hedman Hedders 68156 - LS Engine Swap 3.00" Long Tube Header

Header Series: LS Engine Swap
Header Style: Long Tube
Primary Tube Diameter (in): 1" - 3/4"
Header Flange Thickness (in): 3/8"
Inlet Port Shape: Round
Material: Mild Steel

Fitment:

1971 BUICK GS

$716.39

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Hedman Hedders 62150 - LS Engine Swap 3.00" Long Tube Header

Header Series: LS Engine Swap
Header Style: Long Tube
Primary Tube Diameter (in): 1 3/4"
Header Flange Thickness (in): 3/8"
Inlet Port Shape: Round
Material: Mild Steel

Fitment:

1971 BUICK GS

$893.80

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Hedman Hedders 68140 - LS Engine Swap 3.00" Mid-Length Tube Header

Header Series: LS Engine Swap
Header Style: Long Tube
Primary Tube Diameter (in): 1 3/4"
Header Flange Thickness (in): 3/8"
Inlet Port Shape: Round
Material: Mild Steel

Fitment:

1971 BUICK GS

$351.57

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Hedman Hedders 68150 - LS Engine Swap 3.00" Long Tube Header

Header Series: LS Engine Swap
Header Style: Long Tube
Primary Tube Diameter (in): 1" - 3/4"
Header Flange Thickness (in): 3/8"
Inlet Port Shape: Round
Material: Mild Steel

Fitment:

1971 BUICK GS

$405.33

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Hedman Hedders 68746 - Ls Cast Manifold with HTC Coating

Hedman Hedders Ls Cast Manifolds are made from the highest quality materials, and guarantee to deliver superior functionality and durability. Free shipping to all of USA!

Fitment:

1971 BUICK GS

$532.25

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Hedman Hedders 62153 - LS Engine Swap 3.00" Long Tube Header