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1990 GMC R3500
Headers and Exhaust
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Flowtech 11500FLT, Long Tube Header, 3 Inch Collector Size

Ships Free

Header Tube Type: Long Tube

Finish: Painted

Primary Tube Diameter: 1-1/2"

Material Type: Mild Steel

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Hooker 2452HKR Competition Long Tube Header, Painted

Ships Free

Header Tube Type: Long Tube

Finish: Painted

Primary Tube Diameter: 1-5/8"

Material Type: Mild Steel

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ARP 100-1403 Header Stud Kit, 3/8-16 Threads, Set/16

On Sale

Stud Length: 1.67"

Thread Pitch: 3/8"-16

Thread Length: 0.53"

Thread Pitch (2): 3/8"-24

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Flowtech 31500FLT, Long Tube Header, Ceramic Coated

Ships Free

Header Tube Type: Long Tube

Finish: Ceramic Coated

Primary Tube Diameter: 1-1/2"

Material Type: Mild Steel

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Hooker 2452-1HKR Competition Long Tube Header, Ceramic Coated

Ships Free

Header Tube Type: Long Tube

Finish: Ceramic Coated

Primary Tube Diameter: 1-5/8"

Material Type: Mild Steel

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Big Block Chevy Header Flange Plates

Port Style: Round Port

Port Height: 2.06"

Port Width: 2.06"

Hole Diameter: 2"

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Hooker 2840-1HKR Super Competition Long Tube Header, Ceramic Coated

Ships Free

Header Tube Type: Long Tube

Finish: Ceramic Coated

Primary Tube Diameter: 1-3/4"

Material Type: Mild Steel

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Mr Gasket 7157MRG Exhaust Gaskets, Big Block Chevy, Copper-Seal

On Sale

Gasket Material: Copper

Port Style: Round Port

Port Height: 1.92"

Port Width: 1.92"

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Hooker 2452-2HKR Competition Long Tube Header, Stainless

Ships Free

Header Tube Type: Long Tube

Finish: Natural

Flange Style: Oval Port

Primary Tube Diameter: 1-5/8"

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Hooker 2840HKR Super Competition Long Tube Header, Painted

Ships Free

Header Tube Type: Long Tube

Finish: Painted

Primary Tube Diameter: 1-3/4"

Material Type: Mild Steel

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Dynatech® Big Block Chevy Exhaust Header Flange, 2-1/4 Port, 3/8 Thick

$48.99
$51.99
On Sale

Port Style: Round Port

Port Height: 2.35"

Port Width: 2.35"

Hole Diameter: 2.25"

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Fel-Pro Gaskets 1410 Big Block Chevy Exhaust Header Gaskets

Material Type: Gasket Material

Port Style: Square Port

Port Height: 1.88"

Port Width: 1.88"

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Mr Gasket 7158MRG Exhaust Gaskets, Big Block Chevy, Square Port

$39.99
$42.12
On Sale

Gasket Material: Copper

Port Style: Square Port

Port Height: 1.9"

Port Width: 1.85"

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Patriot Exhaust H7887 Header Flange Kit, BBC, 2-1/4 Inch

$61.99
$81.29
On Sale

Port Style: Round Port

Port Height: 2.25"

Port Width: 2.25"

Hole Diameter: 2.25"

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Flowtech 49150-1FLT Afterburner Headers, Ceramic Coated

Ships Free

Header Tube Type: Long Tube

Finish: Ceramic Coated

Primary Tube Diameter: 1-5/8"

Material Type: Mild Steel

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Extreme Exhaust Gaskets, Big Block Chevy, 2 Inch Round Port

On Sale

Material Type: Gasket Material

Port Style: Round Port

Overall Thickness: .09"

Inside Diameter: 1.96"

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Dynatech® Big Block Chevy Exhaust Header Flange, 2-1/2 Port, 3/8 Thick

$48.99
$51.99
On Sale

Port Style: Round Port

Port Height: 2.6"

Port Width: 2.6"

Hole Diameter: 2.5"

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Extreme Exhaust Gaskets, Big Block Chevy, 1-7/8 Inch Round Port

On Sale

Material Type: Gasket Material

Port Style: Round Port

Overall Thickness: .09"

Inside Diameter: 1.84"

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Patriot Exhaust H7886 Header Flange Kit, BBC, 2-1/8 Inch

$64.99
$81.29
On Sale

Port Style: Round Port

Port Height: 2.125"

Port Width: 2.125"

Hole Diameter: 2.125"

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Patriot Exhaust H7889 Header Flange Kit, BBC, 2-1/2 Inch

$118.99
$168.70
Ships Free
On Sale

Port Style: Round Port

Port Height: 2.5"

Port Width: 2.5"

Hole Diameter: 2.5"

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Dynatech® Big Block Chevy Exhaust Header Flange, 2.375 Port, 3/8 Thick

$48.99
$51.99
On Sale

Port Style: Round Port

Port Height: 2.476"

Port Width: 2.476"

Hole Diameter: 2.375"

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Mr Gasket 7409G Exhaust Gaskets, Big Block Chevy, Round Ports

$25.99
$27.72
On Sale
Video Available

Gasket Material: Aluminum

Port Style: Round Port

Port Height: 2.15"

Port Width: 2.15"

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