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Header Bolts, 3/8-16 x 1 Inch, Set/12

421 Pontiac V8

Overall Length: 1.36"

Under Head Length: 1"

Thread Pitch: 3/8"-16

Wrench Type: Hex

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Hooker 4901HKR Competition Header, Painted

421 Pontiac V8

Ships Free

Header Tube Type: Long Tube

Finish: Painted

Primary Tube Diameter: 1-5/8"

Material Type: Mild Steel

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Hooker 4901-1HKR Competition Header, Ceramic Coated

421 Pontiac V8

Ships Free

Header Tube Type: Long Tube

Finish: Ceramic Coated

Primary Tube Diameter: 1-5/8"

Material Type: Mild Steel

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Hooker 4108-1HKR Super Competition Header, Ceramic Coated

421 Pontiac V8

Ships Free

Header Tube Type: Long Tube

Finish: Ceramic Coated

Primary Tube Diameter: 1-3/4"

Material Type: Mild Steel

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Hooker 4202HKR Super Competition Header, Painted

421 Pontiac V8

Ships Free

Header Tube Type: Long Tube

Finish: Painted

Primary Tube Diameter: 2"

Material Type: Mild Steel

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Hooker 4902-1HKR Competition Header, Ceramic Coated

421 Pontiac V8

Ships Free

Header Tube Type: Long Tube

Finish: Ceramic Coated

Primary Tube Diameter: 1-5/8"

Material Type: Mild Steel

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Hooker 4108HKR Super Competition Header, Painted

421 Pontiac V8

Ships Free

Header Tube Type: Long Tube

Finish: Painted

Primary Tube Diameter: 1-3/4"

Material Type: Mild Steel

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King Chrome Hex Header Bolts, 3/8-16 x 3/4 Inch, Set/12

421 Pontiac V8

Overall Length: 1.03"

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: Hex

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Mr Gasket 2230G HeadLock Locking Header Bolts, SBC

$31.99
$33.97

421 Pontiac V8

On Sale
Video Available

Thread Pitch: 3/8"-16

Material Type: Stainless Steel

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King Chrome Allen Header Bolts, 3/8-16 x 3/4 Inch, Set/12

421 Pontiac V8

Overall Length: 1.12"

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: Allen

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Speedway Allen Head Header Bolts, 3/8-16 x 3/4 Inch, Set/12

421 Pontiac V8

Overall Length: 1.12"

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: Allen

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Flowtech 11170FLT Long Tube Header, 1.625 Inch Tube Size

421 Pontiac V8

Ships Free

Header Tube Type: Long Tube

Finish: Painted

Primary Tube Diameter: 1-5/8"

Material Type: Mild Steel

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Stainless Steel Allen Head Header Bolts, 3/8-16 x 3/4, Set/12

421 Pontiac V8

Overall Length: 1.12"

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: Allen

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Mr Gasket 6312 Header Stud Kit, 3/8-16 x 1.5 Inch

$33.99
$36.16

421 Pontiac V8

On Sale

Overall Length: 1.5"

Thread Pitch: 3/8"-16

Thread Length: 1.5"

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Mr Gasket 7171MRG Exhaust Gaskets, Pontiac, Copper-Seal

$39.99
$42.12

421 Pontiac V8

On Sale

Gasket Material: Copper

Port Style: D-port

Port Height: 2"

Port Width: 1.55"

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Mr Gasket 5921 Exhaust Gaskets, Pontiac, Ultra-Seal

$23.99
$25.64

421 Pontiac V8

On Sale

Gasket Material: Steel core laminate

Port Style: D-port

Port Height: 2"

Port Width: 1.55"

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Mr Gasket 2210G Stainless Steel Header Bolts, 3/8-16 x 3/4 Inch

$27.99
$29.14

421 Pontiac V8

On Sale

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Material Type: Stainless Steel

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Spectre 46723 Header Bolts, Gold Iridated, Steel, Set of 12

421 Pontiac V8

Under Head Length: 0.875"

Thread Pitch: 3/8"-16

Material Type: Steel

Finish: Gold Iridited

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Patriot Exhaust H7973 Zinc Plated Header Bolts, 3/8-16 x 1, 12

$8.99
$10.39

421 Pontiac V8

On Sale

Under Head Length: 1"

Thread Pitch: 3/8"-16

Material Type: Steel

Finish: Zinc

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Patriot Exhaust H7970 Zinc Plated Header Bolts, 3/8-16 x 3/4, 12

421 Pontiac V8

On Sale

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Material Type: Steel

Finish: Zinc

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Edelbrock 7281 Exhaust Manifold Gasket Set, Pontiac V8

$18.99
$19.99

421 Pontiac V8

On Sale

Material Type: Composite with steel core

Port Style: Stock

Overall Height: 1.880 in."

Overall Width: 1.880 in."

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Hooker 4106-1HKR Super Competition Header, Ceramic Coated

421 Pontiac V8

Ships Free

Header Tube Type: Long Tube

Finish: Ceramic Coated

Primary Tube Diameter: 1-3/4"

Material Type: Mild Steel

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Hooker 4109-1HKR Super Competition Header, Ceramic Coated

421 Pontiac V8

Ships Free

Header Tube Type: Long Tube

Finish: Ceramic Coated

Primary Tube Diameter: 1-3/4"

Material Type: Mild Steel

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Hooker 4109HKR Super Competition Header, Painted

421 Pontiac V8

Ships Free

Header Tube Type: Long Tube

Finish: Painted

Primary Tube Diameter: 1-3/4"

Material Type: Mild Steel

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