Products to Compare (max of 3)
X
Compare These Parts
Talk to the Experts. Call 800.979.0122, 7am-10pm, everyday.
Customer Service
Since 1952
in
in
Cart

Your shopping cart is empty

The Toolbox
Shopping for Pontiac GTO Parts
Deals
  • Expert Tech Support
  • Huge Inventory
  • Fast Shipping
Talk to the Experts. Call 800.979.0122
Shop By
Support
Account
Street Race Truck More... The Toolbox
What year is your Pontiac GTO?
Products
You've Selected:
Selected Filters
Pontiac GTO
Mr Gasket
Select Your Vehicle
See More Filters
Sort by:
Show:

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"

Compare
Quick View

Mr Gasket 7723MRG Mechanical Fuel Pump, 110 GPH, 326-455 Pontiac

$109.99
$117.95

301, 326, 347, 350, 370, 389, 400, 421, 428, 455

Ships Free
On Sale

Fuel Type: Gasoline

Free Flow Rate: 110 GPH

Maximum Pressure: 8 psi

Regulator Required: No

Compare
Quick View

Mr Gasket 5869 Ultra-Seal Valve Cover Gaskets, 1963-1979 Pontiac V8

$21.99
$23.31

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

On Sale

Gasket Material: Cork/Rubber

Overall Thickness: 0.172"

Compare
Quick View

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"

Compare
Quick View

Mr Gasket 7145 Overhaul Gaskets, 1965-71 Pontiac 350-455

$64.99
$70.01

326, 350, 389, 400, 421, 428, 455, Is Timing Cover Seal

On Sale

Gasket Set Type : Full gasket set

Head Gaskets Included: Yes

Intake Gaskets Included: Yes

Valley Pan Included: No

Compare
Quick View

Mr Gasket 9805 Chrome Tall-Style Valve Covers, Pontiac 301-455

$57.99
$61.83

301, 326, 350, 389, 400, 421, 428, 455, Is Baffled

On Sale

Hardware Included: No

Baffled: Yes

Finish: Chrome

Material Type: Steel

Compare
Quick View

Mr Gasket 5848 Ultra-Seal Intake Gaskets, Pontiac V8

$21.99
$23.31

326, 350, 389, 400, 421, 428, 455, 2.06" Port Height

On Sale

Overall Thickness: 0.06"

Port Height: 2.06"

Port Width: 1.14"

Gasket Material: Cellulose/Nitrile composition

Compare
Quick View

Mr Gasket 503G Intake Gaskets, 1967-71 Pontiac 400

$24.99
$26.81

400, 0.06" Overall Thickness, 2.2" Port Height

On Sale

Overall Thickness: 0.06"

Port Height: 2.2"

Port Width: 1.18"

Gasket Material: Composite

Compare
Quick View

Mr Gasket 502G Intake Gaskets, 1965-71 Pontiac V8

$18.99
$19.81

326, 350, 389, 400, 421, 428, 455, 2.06" Port Height

On Sale

Overall Thickness: 0.063"

Port Height: 2.06"

Port Width: 1.14"

Gasket Material: Cellulose/Nitrile composition

Compare
Quick View

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"

Compare
Quick View

Mr Gasket 4422 Cam Change Gaskets, Pontiac

$43.99
$46.66

326, 350, 389, 400, 421, 428, 455, Is Timing Cover Seal

On Sale

Gasket Set Type : Cam change set

Head Gaskets Included: No

Intake Gaskets Included: Yes

Valley Pan Included: No

Compare
Quick View

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"

Compare
Quick View

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"

Compare
Quick View

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"

Compare
Quick View

Mr Gasket 5997 Ultra-Seal Overhaul Gaskets, Pontiac

$148.99
$159.95

326, 350, 389, 400, 421, 428, 455, Is Timing Cover Seal

Ships Free
On Sale

Gasket Set Type : Full gasket set

Head Gaskets Included: Yes

Intake Gaskets Included: Yes

Valley Pan Included: No

Compare
Quick View

Mr Gasket 3251G MLS Head Gasket, Pontiac, 4.27 Inch

$109.99
$117.95

370, 389, 400, 421, 428, 455, 4.27" Bore Size

Ships Free
On Sale
Video Available

Bore Size: 4.27"

Compressed Thickness: 0.04"

Lock Wire: No

Gasket Material: Multi-layer steel

Compare
Quick View

Mr Gasket 3250G MLS Head Gasket, Pontiac, 4.20 Inch

$109.99
$117.95

370, 389, 400, 421, 428, 455, 4.2" Bore Size

Ships Free
On Sale
Video Available

Bore Size: 4.2"

Compressed Thickness: 0.04"

Lock Wire: No

Gasket Material: Multi-layer steel

Compare
Quick View

Mr Gasket 5810G Ultra-Seal Head Gasket, Pontiac 455, 4.25 Inch

$43.99
$46.66

326, 389, 400, 421, 428, 455, 4.25" Bore Size

On Sale

Bore Size: 4.25"

Compressed Thickness: 0.038"

Lock Wire: No

Gasket Material: Steel core laminate

Compare
Quick View

Mr Gasket 918G LS Header Bolts

Chevy LS V8, 25 mm Under Head Length, Hex Wrench Type

On Sale

Under Head Length: 25 mm

Thread Pitch: 8mm x 1.25

Wrench Type: Hex

Material Type: Steel

Compare
Quick View

Mr Gasket 3148G MLS Head Gasket, Chevy LS1 /LS6, 3.945 Inch

$97.99
$105.95

LS1, LS6, 3.945" Bore Size, 0.04" Compressed Thickness

On Sale
Video Available

Bore Size: 3.945"

Compressed Thickness: 0.04"

Lock Wire: No

Gasket Material: Multi-layer steel

Compare
Quick View

Mr Gasket 2235G HeadLock Locking Header Bolts, GM LS

$37.99
$40.77

Chevy LS V8, 25 mm Under Head Length, Stainless Steel

On Sale
Video Available

Under Head Length: 25 mm

Thread Pitch: 8mm x 1.25

Material Type: Stainless Steel

Compare
Quick View

Mr Gasket 7406G Exhaust Gaskets, Chevy LS3, Round Ports

$25.99
$27.72

L92, L99, LQ4, LQ9, LS2, LS3, LS7, LS9, LSA, LY6

On Sale
Video Available

Gasket Material: Aluminum

Port Style: Round Port

Port Height: 1.92"

Port Width: 1.92"

Compare
Quick View
Change Your Vehicle
All Makes
Year
Make
Model
Remove Vehicle
Pontiac GTO
Suggestions
Error
Note
Ok