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

$39.99
$42.12

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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Mr Gasket 5921 Exhaust Gaskets, Pontiac, Ultra-Seal

$23.99
$25.64

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

$29.99
$31.49

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

$25.99
$27.72

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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Spectre 453 Exhaust Header Gasket, Pontiac 326-428

$18.99
$19.99

326, 350, 389, 400, 428, Ceramic Fiber Gasket Material

On Sale

Gasket Material: Ceramic Fiber

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Edelbrock 7281 Exhaust Manifold Gasket Set, Pontiac V8

326, 350, 389, 421, 428, 455, Composite with steel core

Material Type: Composite with steel core

Port Style: Stock

Overall Height: 1.880 in."

Overall Width: 1.880 in."

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Spectre 454 Exhaust Header Gasket, Pontiac 326-428

$18.99
$19.99

326, 350, 389, 400, 428, Ceramic Fiber Gasket Material

On Sale

Gasket Material: Ceramic Fiber

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Mr Gasket 550G Exhaust Gaskets, Pontiac, Performance

$20.99
$22.14

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

On Sale

Gasket Material: High-temperature white

Port Style: D-port

Port Height: 1.94"

Port Width: 1.5"

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Mr Gasket 7523MRG Exhaust Gaskets, Pontiac 400/455, 1.88 Inch

$34.99
$37.32

400, 455, Steel core laminate Gasket Material

On Sale

Gasket Material: Steel core laminate

Port Style: Round large port

Port Height: 1.88"

Port Width: 1.88"

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Spectre 549 Exhaust Header Gasket, Pontiac 326-428

326, 350, 389, 400, 428, Ceramic Fiber Gasket Material

Gasket Material: Ceramic Fiber

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