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1990 Chevy R3500
Dougs Headers
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Doug's Headers D303Y Tri-Y Header, 1-3/4 In, 68-87 Chevy Truck BBC, CC

$653.99
$1,022.39

Chevy Big Block V8, Chevy Small Block V8

Ships Free
On Sale

Header Tube Type: Tri-Y

Finish: Metallic Ceramic Coating

Flange Style: Standard

Primary Tube Diameter: 1-3/4"

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Doug's Headers D303Y-R Tri-Y Header, 1-3/4 In 68-87 Chevy Truck, Raw

$446.99
$736.17

Chevy Big Block V8, Chevy Small Block V8

Ships Free
On Sale

Header Tube Type: Tri-Y

Finish: Raw

Flange Style: Standard

Primary Tube Diameter: 1-3/4"

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Doug's Headers D303Y-SP Tri-Y Header, 1-3/4 In, 68-87 Chevy Truck, CC

$626.99
$1,073.31

Chevy Big Block V8

Ships Free
On Sale

Header Tube Type: Tri-Y

Finish: Metallic Ceramic Coating

Flange Style: Standard

Primary Tube Diameter: 1-3/4"

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Doug's Headers DEC300ATD Electric Cut-Out, 3 Inch, Stainless Steel

$38.99
$49.40

Universal Fit

On Sale

Inlet Size: 3"

Inside Diameter: 3"

Material Type: Stainless Steel

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Doug's Headers CG9006 3 bolt Collector Gaskets, 3 Inch

$10.99
$14.58

Universal Fit

On Sale

Inside Diameter: 3"

Collector Diameter : 3 Inch

Flange Style: 3-Bolt

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Doug's Headers CG9007 3 bolt Collector Gaskets, 3-1/2 Inch

$11.99
$14.58

Universal Fit

On Sale

Inside Diameter: 3.5"

Collector Diameter : 3-1/2 Inch

Flange Style: 3-Bolt

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Doug's Headers CG9005 3 bolt Collector Gaskets, 2-1/2 Inch

$10.99
$14.58

Universal Fit

On Sale

Inside Diameter: 2.5"

Collector Diameter : 2-1/2 Inch

Flange Style: 3-Bolt

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Doug's Headers H7274 X-Stream Cross-Over, 3 Inch

$224.99
$359.28

Universal Fit

Ships Free
On Sale

Tube O.D.: 3"

Material Type: Mild Steel

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Doug's Headers DEC250ATD Electric Cut-Out, 2-1/2 Inch, Stainless Steel

$33.99
$46.90

Universal Fit

On Sale

Inlet Size: 2.5"

Inside Diameter: 2.5"

Material Type: Stainless Steel

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