SKU: 11589223832

Cometic Chevrolet Mark-IV, GM Gen-V/VI Big Block V8 .092" MLS Cylinder Head Gasket, 4.630" Bore, For Aftermarket Heads - Undersized Water Ports to Allow for Customization

Sale price$128.02 Regular price$142.24
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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29

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Description

Cometic Chevrolet Mark-IV, GM Gen-V/VI Big Block V8 .092" MLS Cylinder Head Gasket, 4.630" Bore, For Aftermarket Heads - Undersized Water Ports to Allow for Customization** MADE TO ORDER, EXPECT 1 2 WEEK DELAY ** Cometic Multi Layer Steel gaskets are comprised of multiple embossed layers of both proprietary high temperature coated and uncoated stainless steel, requiring less clamp load, creating less bore distortion, and conforms load distribution across the sealing area. An additional HP Shim Layer can be added to provide increased stress around the combustion seal. Proprietary high temperature coatings along with

** MADE TO ORDER, EXPECT 1-2 WEEK DELAY **

Cometic Multi-Layer Steel gaskets are comprised of multiple embossed layers of both proprietary high temperature coated and uncoated stainless steel, requiring less clamp load, creating less bore distortion, and conforms load distribution across the sealing area.
An additional HP Shim Layer can be added to provide increased stress around the combustion seal. Proprietary high temperature coatings along with embossments provide a micro seal for fluids against the head and block surface.

Features:

Material: MLS
Compressed Thickness: .092
Bore Shape: Valve Pocketed
Bore Size (IN): 4.630
# of layers: 5
Orientation: None

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 11589223832

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4.5 ★★★★★
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L
Verified Purchase
LONDON
Battle Creek, US
★★★★★ 1
MONKEYBUSINESS BOOK
Format: Paperback
Get a clue. You shop out your sources like a monkey in a candy store.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 7, 2017
Q
Verified Purchase
Quinton Riley
Battle Creek, US
★★★★★ 5
Affordable
Style: High Mileage 150K, Size: 5 qt (Pack of 1), Configuration: 5W-20
Good oil
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
G
Verified Purchase
GAU
Waukegan, US
★★★★★ 5
Great choice for your older Vehicle.
Style: High Mileage 150K, Size: 5 qt (Pack of 1), Configuration: 5W-30
Trusted and put to use many times with my 2006 Pontiac G6. I have over 140,000 miles on her and she is still reliable and running great. I love the fact that it also helps clean away the built up grime etc. in the Engine
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Reviewed in the United States on March 25, 2026
R
Verified Purchase
Richard J Enright Jr
Whiting, US
★★★★★ 5
Works
Style: High Mileage 150K, Size: 5 qt (Pack of 1), Configuration: 10W-30
The seal conditioners seem to be working as I’m seeing less oil dripping onto the ground now under my jeep
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
G
Verified Purchase
Goober
Omaha, US
★★★★★ 5
Good
Style: High Mileage 150K, Size: 5 qt (Pack of 1), Configuration: 5W-30
Good oil. Stopped leak
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026

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