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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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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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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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$378.95
$406.95

350, 400, 403, Long Tube Header Tube Type, Mild Steel

Ships Free
On Sale

Header Tube Type: Long Tube

Finish: Ceramic Coated

Flange Style: Round Port

Primary Tube Diameter: 1-3/4"

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$198.95
$213.95

260, 303, 307, 324, 330, 350, 371, 394, 400, 403, Black

Ships Free
On Sale

Header Tube Type: Long Tube

Finish: Painted

Flange Style: Round Port

Primary Tube Diameter: 1-3/4"

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350, 371, 394, 400, 403, Long Tube Header Tube Type

Ships Free
On Sale

Header Tube Type: Long Tube

Finish: Painted

Flange Style: Rectangular Port

Primary Tube Diameter: 1-3/4"

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$298.95
$319.95

260, 307, 330, 350, 403, Full-length Header Tube Type

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Temporary Paint

Primary Tube Diameter: 1-5/8"

Material Type: Steel

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$582.95
$625.95

260, 307, 330, 350, 403, Full-length Header Tube Type

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Titanium Ceramic

Primary Tube Diameter: 1-5/8"

Material Type: Steel

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$552.95
$593.95

350, 403, Full-length Header Tube Type, Temporary Paint

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Temporary Paint

Primary Tube Diameter: 1-3/4"

Material Type: Steel

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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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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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$378.95
$406.95

260, 307, 330, 350, 400, 403, Ceramic Coated, Silver

Ships Free
On Sale

Header Tube Type: Long Tube

Finish: Ceramic Coated

Flange Style: Round Port

Primary Tube Diameter: 1-3/4"

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$209.95
$224.95

Pontiac V8, Oldsmobile V8, Long Tube Header Tube Type

Ships Free
On Sale

Header Tube Type: Long Tube

Finish: Painted

Primary Tube Diameter: 1-5/8"

Material Type: Mild Steel

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

Thread Pitch: 3/8"-16

Wrench Type: 12 Point

Thread Length (2): .625"

Material Type: Steel

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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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$41.39
$44.43

330, 350, 400, 403, 425, 455, Copper Gasket Material

On Sale

Gasket Material: Copper

Port Style: Rectangular

Port Height: 1.92"

Port Width: 1.55"

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$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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$59.61
$63.99

Many Engines, 0.75" Under Head Length, Hex Wrench Type

On Sale

Under Head Length: 0.75"

Thread Pitch: 3/8"-16

Wrench Type: Hex

Material Type: Steel

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

On Sale

Thread Pitch: 3/8"-16

Material Type: Steel

Finish: Cadmium Plated

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$80.25
$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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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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330, 350, 400, 403, 425, 455, Rectangular Port Style

Gasket Material: Steel core laminate

Port Style: Rectangular

Port Height: 1.92"

Port Width: 1.55"

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$815.95
$875.95

350, 403, Full-length Header Tube Type, Steel, Silver

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Silver ceramic coated

Primary Tube Diameter: 1-3/4"

Material Type: Steel

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$496.99
$552.95

260, 307, 330, 350, 403, Full-length Header Tube Type

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Temporary Paint

Primary Tube Diameter: 1-3/4"

Material Type: Steel

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$600.95
$644.95

260, 307, 330, 350, 403, Full-length Header Tube Type

Ships Free
On Sale

Header Tube Type: Full-length

Finish: Black ceramic coated

Primary Tube Diameter: 1-5/8"

Material Type: Steel

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