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

Many Engines, 1.36" Overall Length, Hex Wrench Type

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

$234.99
$261.95

326, 350, 389, 400, 421, 428, 455, Temporary Paint

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Temporary Paint

Flange Style: D Port

Primary Tube Diameter: 1-5/8"

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Hooker 4902-1HKR Competition Header, Ceramic Coated

$590.99
$656.95

326, 350, 389, 400, 421, 428, 455, D Port Flange Style

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Silver ceramic coated

Flange Style: D Port

Primary Tube Diameter: 1-5/8"

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Mr Gasket 2230G HeadLock Locking Header Bolts, SBC

$32.99
$35.83

Pontiac V8, Chevy Small Block V8, Chrysler Big Block V8

On Sale
Video Available

Thread Pitch: 3/8"-16

Material Type: Stainless Steel

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Hooker 4901-1HKR Competition Header, Ceramic Coated

$498.99
$554.95

326, 350, 389, 400, 421, 428, 455, D Port Flange Style

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Silver ceramic coated

Flange Style: D Port

Primary Tube Diameter: 1-5/8"

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

Many Engines, 1.12" Overall Length, Allen Wrench Type

Overall Length: 1.12"

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: Allen

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Hooker 4108-1HKR Super Competition Header, Ceramic Coated

$808.99
$898.95

326, 350, 389, 400, 421, 428, 455, D Port Flange Style

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Silver ceramic coated

Flange Style: D Port

Primary Tube Diameter: 1-3/4"

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

Many Engines, 1.12" Overall Length, Allen Wrench Type

Overall Length: 1.12"

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: Allen

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Hooker 4202HKR Super Competition Header, Painted

$613.99
$682.95

326, 350, 389, 400, 421, 428, 455, Temporary Paint

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Temporary Paint

Flange Style: Round Port

Primary Tube Diameter: 2"

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

Many Engines, 1.03" Overall Length, Hex Wrench Type

Overall Length: 1.03"

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: Hex

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Flowtech 11170FLT Long Tube Header, 1.625 Inch Tube Size

$201.99
$224.95

Pontiac V8, Oldsmobile V8, Long Tube Header Tube Type

Ships Free
On Sale

Header Tube Type: Long Tube

Finish: Painted

Flange Style: D Port

Primary Tube Diameter: 1-5/8"

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Hooker 4108HKR Super Competition Header, Painted

$533.99
$593.95

326, 350, 389, 400, 421, 428, 455, Temporary Paint

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Temporary Paint

Flange Style: D Port

Primary Tube Diameter: 1-3/4"

Compare
Quick View

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

Many Engines, 1.12" Overall Length, Allen Wrench Type

Overall Length: 1.12"

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: Allen

Compare
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Hooker 4902HKR Competition Header, Painted

$263.99
$293.95

326, 350, 389, 400, 421, 428, 455, Temporary Paint

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Temporary Paint

Flange Style: D Port

Primary Tube Diameter: 1-5/8"

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

$34.99
$38.14

Pontiac V8, Chevy Small Block V8, Chrysler Big Block V8

On Sale

Overall Length: 1.5"

Thread Pitch: 3/8"-16

Thread Length: 1.5"

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

$27.99
$30.74

Pontiac V8, Chevy Small Block V8, Chrysler Big Block V8

On Sale

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Material Type: Stainless Steel

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Longacre 52-35600 12-Point Header Bolts, SBC, Set of 12

Many Engines, 3/8"-16 Thread Pitch, Steel

Thread Pitch: 3/8"-16

Wrench Type: 12 Point

Material Type: Steel

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

$39.99
$44.43

326, 350, 389, 400, 421, 428, 455, D-port Port Style

On Sale

Gasket Material: Copper

Port Style: D-port

Port Height: 2"

Port Width: 1.55"

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

Many Engines, 0.875" Under Head Length, Steel

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

$9.99
$10.39

Many Engines, 1" Under Head Length, Steel, Zinc

On Sale

Under Head Length: 1"

Thread Pitch: 3/8"-16

Material Type: Steel

Finish: Zinc

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Mr Gasket 5921 Exhaust Gaskets, Pontiac, Ultra-Seal

$24.99
$27.06

326, 350, 389, 400, 421, 428, 455, D-port Port Style

On Sale

Gasket Material: Steel core laminate

Port Style: D-port

Port Height: 2"

Port Width: 1.55"

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Spectre 46703 Header Bolts, Cadmium Plated, 3/8-16 Thread, Set of 12

Many Engines, 3/8"-16 Thread Pitch, Steel

Thread Pitch: 3/8"-16

Material Type: Steel

Finish: Cadmium Plated

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Mr Gasket 917A 100 Header Bolts

$77.99
$86.16

Many Engines, 1" Under Head Length, Hex Wrench Type

On Sale

Under Head Length: 1"

Thread Pitch: 3/8"-16

Wrench Type: Hex

Material Type: Steel

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Mr Gasket 5920 Exhaust Gaskets, Pontiac, 1.46 x 1.93 Inch

$29.99
$33.21

326, 350, 389, 400, 421, 428, 455, 1.93" Port Height

On Sale

Gasket Material: Steel core laminate

Port Style: Open center port

Port Height: 1.93"

Port Width: 1.46"

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

Many Engines, 0.75" Under Head Length, Steel, Zinc

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Material Type: Steel

Finish: Zinc

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Mr Gasket 7418G Header Gaskets, Pontiac 326-455, Oval Ports

$26.99
$29.23

326, 350, 389, 400, 421, 428, 455, D-port Port Style

On Sale
Video Available

Gasket Material: Aluminum

Port Style: D-port

Port Height: 1.55"

Port Width: 1.94"

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