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Flathead Ford V8 Header Flanges

Round Port Port Style, 1.62" Inside Diameter, Steel

Port Style: Round Port

Inside Diameter: 1.62"

Flange Thickness: .31"

Material Type: Steel

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Flathead Header Exhaust Flange

4.10" Overall Width, 2.80" Overall Height, Steel

Overall Width: 4.10"

Overall Height: 2.80"

Inside Diameter: 2"

Centerline of Holes: 3.15"

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Small Block Chevy Header Flange Plate - 1 3/4 Inch

Chevy Small Block V8, Rectangular Port Port Style

Port Style: Rectangular Port

Port Height: 1.88"

Port Width: 1.50"

Hole Diameter: 1.75"

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Steel Exhaust Collector Ring, 2-1/2 Inch

Universal Fit, 2.5" Inside Diameter, Steel, Natural

Inside Diameter: 2.5"

Bolt Hole Pattern: 3 on 3.07"

Flange Thickness: .24"

Material Type: Steel

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Big Block Chevy Header Flange Plates

396, 402, 427, 454, 496, Round Port Port Style, Steel

Port Style: Round Port

Port Height: 2.06"

Port Width: 2.06"

Hole Diameter: 2"

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Steel Exhaust Collector Ring, 3 Inch

Universal Fit, 3" Inside Diameter, Steel, Natural

Inside Diameter: 3"

Bolt Hole Pattern: 3 on 3.35"

Flange Thickness: .24"

Material Type: Steel

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Small Block Chevy Oval Port Header Flanges, 5/16 Inch Thick

Chevy Small Block V8, Oval Port Port Style, Steel

Port Style: Oval Port

Port Height: 1.75"

Port Width: 1.425"

Hole Diameter: 1.625"

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Steel Exhaust Collector Ring, 3-1/2 Inch

Universal Fit, 3.5" Inside Diameter, Steel, Natural

Inside Diameter: 3.5"

Bolt Hole Pattern: 3 on 3.84" CENTER TO CENTER ANY 2 HOLES

Flange Thickness: .25"

Material Type: Steel

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GM 5.3/6.0 Truck Exhaust Flanges, Mild Steel, 2.25 Inch

Inside Diameter: 2.25"

Centerline of Holes: 3-7/8" x 3-7/8""

Bolt Hole Pattern: 3" x 4-5/32"

Material Thickness: .38"

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Ford 292-312 Y-Block Header Flange

239, 256, 272, 292, 312, Square Port Port Style, Steel

Port Style: Square Port

Port Height: 1.43"

Port Width: 1.63"

Flange Thickness: .31"

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Small Block Ford 289-351W Header Flange - 1-3/4 Inch

289, 302, 351W, Oval Port Port Style, 1.84" Port Height

Port Style: Oval Port

Port Height: 1.84"

Port Width: 1.31"

Flange Thickness: .31"

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GM F-Body LS1 Exhaust Flanges, Mild Steel

Inside Diameter: 2.5"

Hole Diameter: .50"

Material Thickness: .38"

Material Type: Steel

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GM 5.3/6.0 Truck Exhaust Flanges, Mild Steel, 2.5 Inch

Chevy LS V8, 2-1/2 Inch Collector Diameter

Collector Diameter : 2-1/2 Inch

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Big Block Ford 429/460 Header Flanges

429, 460, Oval Port Port Style, 2.26" Port Height

Port Style: Oval Port

Port Height: 2.26"

Port Width: 1.60"

Centerline of Holes: 2.60"

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Patriot Exhaust H00801 Collector Flanges for Flathead Headers

3.5" Overall Width, 3.26" Overall Height, Steel

Overall Width: 3.5"

Overall Height: 3.26"

Bolt Hole Pattern: 2.51" x 2.76

Hole Diameter: 2.5"

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Patriot Exhaust H7260 3-bolt Collector Flange Kits, 3 Inch

$10.99
$11.41

Universal Fit, 3" Inside Diameter, Steel

On Sale

Inside Diameter: 3"

Flange Thickness: 0.234"

Material Type: Steel

Collector Diameter : 3 Inch

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Small Block Ford 289-351W Header Flange - 1-5/8 Inch

289, 302, 351W, Oval Port Port Style, 1.93" Port Height

Port Style: Oval Port

Port Height: 1.93"

Port Width: 1.27"

Flange Thickness: .31"

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Small Block Mopar 273-360 Header Flanges

273, 318, 340, 360, 2.00" Port Height, 1.38" Port Width

Port Height: 2.00"

Port Width: 1.38"

Flange Thickness: .33"

Material Type: Steel

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Patriot Exhaust H7259 3-bolt Collector Flange Kits, 2-1/2 Inch

$9.99
$11.37

Universal Fit, 2.5" Inside Diameter, Steel

On Sale

Inside Diameter: 2.5"

Flange Thickness: 0.234"

Material Type: Steel

Collector Diameter : 2-1/2 Inch

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Dynatech? BBC Exhaust Header Flange, 2-1/4 Port, 3/8 Thick

$48.99
$51.99

396, 402, 427, 454, 496, 502, 572, 2.35" Port Height

On Sale

Port Style: Round Port

Port Height: 2.35"

Port Width: 2.35"

Hole Diameter: 2.25"

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Patriot Exhaust H7258 3-bolt Collector Flange Kits, 2 Inch

$11.99
$13.28

Universal Fit, 2" Inside Diameter, Steel

On Sale

Inside Diameter: 2"

Flange Thickness: 0.234"

Material Type: Steel

Collector Diameter : 2 Inch

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Patriot Exhaust H7265 Collector Flange, 2-1/2 Inch

$14.99
$17.79

Universal Fit, 2.5" Inside Diameter, Steel

On Sale

Inside Diameter: 2.5"

Centerline of Holes: 3.5"

Flange Thickness: 0.234"

Material Type: Steel

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LS1 Chevy Header Flange Plates, Round Port, 1-5/8 Inch

Chevy LS V8, Round Port Port Style, Steel, Natural

Port Style: Round Port

Inside Diameter: 1.69"

Hole Diameter: 1.625"

Flange Thickness: .31"

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Dynatech? BBC Exhaust Header Flange, 2-1/2 Port, 3/8 Thick

$48.99
$51.99

396, 402, 427, 454, 496, 502, 572, 2.6" Port Height

On Sale

Port Style: Round Port

Port Height: 2.6"

Port Width: 2.6"

Hole Diameter: 2.5"

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Big Block Mopar Header Flange

350, 361, 383, 400, 413, 426 Wedge, 440, Steel, Natural

Port Style: Rectangular Port

Port Height: 1.52"

Port Width: 1.75"

Flange Thickness: .31"

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Schoenfeld LS1 Chevy Header Flange Plates, Round Port, 1-3/4 Inch

Chevy LS V8, Round Port Port Style, 1.75" Hole Diameter

Port Style: Round Port

Inside Diameter: 1.81"

Hole Diameter: 1.75"

Flange Thickness: 0.3125"

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