SKU: 7692692655

Cylinder Head Gasket Chevrolet Mark-IV, GM Gen-V/VI Big Block V8 .027" MLS , 4.630" Bore, For Aftermarket Heads - Undersized Water Ports to Allow for Customization Cometic C5434-027

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Description

Cylinder Head Gasket Chevrolet Mark-IV, GM Gen-V/VI Big Block V8 .027" MLS , 4.630" Bore, For Aftermarket Heads - Undersized Water Ports to Allow for Customization Cometic C5434-027Cometic C5434 027 Chevrolet Mark IV, GM Gen V VI Big Block V8 . 027" MLS Cylinder Head Gasket, 4. 630" Bore, For Aftermarket Heads Undersized Water Ports to Allow for Customization Details: Material: MLS Compressed Thickness: . 027 Bore Shape: Valve Pocketed Bore Size (IN): 4. 630 # of layers: 3 Orientation: None Application list: Chevrolet Bel Air (1965 1975) Biscayne (1965 1972) Blazer (1973 1974) Brookwood (1969 1972) C10 (1975 1980) C10 Pickup

Cometic C5434-027 Chevrolet Mark-IV, GM Gen-V/VI Big Block V8 .027" MLS Cylinder Head Gasket, 4.630" Bore, For Aftermarket Heads - Undersized Water Ports to Allow for Customization

Details:

  • Material: MLS
  • Compressed Thickness: .027
  • Bore Shape: Valve Pocketed
  • Bore Size (IN): 4.630
  • # of layers: 3
  • Orientation: None

Application list:

Chevrolet
    Bel Air (1965-1975)
    Biscayne (1965-1972)
    Blazer (1973-1974)
    Brookwood (1969-1972)
    C10 (1975-1980)
    C10 Pickup (1968-1974)
    C10 Suburban (1968-1980)
    C1500 (1990)
    C20 (1975-1986)
    C20 Pickup (1968-1974)
    C20 Suburban (1968-1986)
    C30 (1975-1986)
    C30 Pickup (1968-1974)
    C3500 (1988-1990)
    Camaro (1967-1972)
    Caprice (1966-1976)
    Chevelle (1965-1973)
    Chevy II (1968)
    Corvette (1965-1974)
    El Camino (1966-1975)
    Estate (1969-1970)
    G10 Van (1973-1974)
    G20 (1976)
    G20 Van (1973-1974)
    G30 (1975-1976, 1988-1990)
    G30 Van (1973-1974, 1988-1990)
    Impala (1965-1976)
    K10 (1976-1976, 1979-1980)
    K10 Pickup (1968-1974)
    K10 Suburban (1968-1974)
    K20 (1976)
    K20 Pickup (1968-1974)
    K20 Suburban (1968)
    K30 (1977-1977, 1980-1986)
    K30 Pickup (1968-1974)
    K3500 (1988-1990)
    K5 Blazer (1976-1978)
    Kingswood (1969-1972)
    Laguna (1973-1975)
    Malibu (1965-1967, 1973-1975)
    Monte Carlo (1970-1975)
    Nova (1969-1972)
    P10 Van (1973)
    P20 (1976)
    P20 Van (1970)
    P30 (1975-1989)
    P30 Van (1970-1974)
    R20 (1987-1988)
    R20 Suburban (1987-1988)
    R2500 (1989)
    R2500 Suburban (1989-1990)
    R30 (1987-1988)
    R3500 (1989-1990)
    Townsman (1969-1972)
    V20 Suburban (1987-1988)
    V2500 Suburban (1990)
    V30 (1987-1988)
    V3500 (1989-1990)
GMC
    C15 Suburban (1975-1978)
    C15/C1500 Suburban (1968-1974)
    C1500 Pickup (1968-1980)
    C1500 Suburban (1979-1980)
    C25 Suburban (1975-1978)
    C25/C2500 Pickup (1968-1978)
    C25/C2500 Suburban (1968-1974)
    C2500 Pickup (1979-1986)
    C2500 Suburban (1979-1986)
    C35/C3500 Pickup (1968-1978)
    C3500 Pickup (1979-1986, 1988-1990)
    G25/G2500 Van (1975-1976)
    G35/G3500 Van (1973-1974, 1976-1976, 1988-1990)
    Jimmy (1973)
    K15/K1500 Pickup (1968)
    K15/K1500 Suburban (1968-1974)
    K1500 Pickup (1968-1974, 1976-1976, 1979-1980)
    K25 Pickup (1976-1978)
    K25 Suburban (1976-1977)
    K25/K2500 Pickup (1968-1974)
    K25/K2500 Suburban (1968-1974)
    K35/K3500 Pickup (1968-1974)
    K3500 Pickup (1979-1986, 1988-1990)
    P15/P1500 Van (1979)
    P25/P2500 Van (1970-1971)
    P35 Van (1975-1978)
    P35/P3500 Van (1970-1971, 1973-1974)
    P3500 Van (1979-1989)
    R2500 Pickup (1987-1989)
    R2500 Suburban (1987-1990)
    R3500 Pickup (1987-1990)
    Sprint (1971-1975)
    V3500 Pickup (1987-1990)
Pontiac
    Acadian (1968-1971)
    Beaumont (1965-1969)
    Laurentian (1966-1970)
    Parisienne (1966-1970)
    Strato-Chief (1965-1970)

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
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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: 7692692655

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4.8 ★★★★★
Based on 9 reviews
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A
Verified Purchase
Alyssa Romano
Draper, US
★★★★★ 5
Great set of pillows!!!
Size: Standard (Pack of 2), Style: Soft, Configuration: Pillow
I ordered this set of two down alternative pillows to replace some older pillows, and I’m honestly really impressed with the quality. Right out of the package, the pillows fluffed up nicely and felt soft yet supportive. They have that plush feel you want without being too flat or too firm, which makes them comfortable in multiple sleeping positions. I’ve been sleeping on these for a bit now and they’ve held their shape well throughout the night. They provide good neck support while still feeling cozy, and I don’t wake up with soreness or stiffness. What I like most is how breathable they feel compared to some other pillows I’ve tried. They stay comfortable without overheating, and the down alternative fill makes them a great option for anyone with allergies. Overall, this set is an excellent value for the price. If you’re looking for soft, supportive pillows that feel comfortable and well made, I would definitely recommend these.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 10, 2026
G
Verified Purchase
Gary
Waukegan, US
★★★★★ 4
Great, soft, high-quality pillows, but too thick for me
Size: Standard (Pack of 2), Style: Soft, Configuration: Pillow
This will be a brief review of my pillow journey. I tried a few of the most popular pillows, like MyPillow, Amazon Basics, bamboo/shredded foam, memory pillows, but my most common complaint about them were that they were all just too high and firm for me. I am a restless sleeper and alternate between back, side, and stomach sleeping, and I strongly preferred the stomach sleeper/flat pillows with a polyester fiber/down alternative filling. Here's a ranking of my 4 top pillows: Eversnug Adjustable Layer Pillows - (#1) These were THE pillow for me. I had never heard of these pillows or the company, but I really like being able to adjust my pillow. These pillows came with 2 small, 2 medium, and 2 large pillows and 2 twin zippable pillow pouches. All of them were polyester fiber filled and somewhat flat and soft, but not lumpy. The pillows may not come the exact same sizes, but they are close enough for me. These are the pillows I ultimately decided to stick with, despite being slightly more expensive than the others at $50 for a set of 2 pillows. Nappler Bamboo Shredded Memory Foam Pillow - (#2) Before I found the Eversnug pillows, I was trying the adjustable bamboo shredded memory foam ones. These were my go-to whenever I was testing pillows I didn't like very much. The only downside to these pillows is that if you don't add enough filling, you could feel the edges of the shredded foam. Also, the "bamboo" cover was way too warm and the inner zipper would get too easily caught. Amazon Basics Down Alternative Pillow - (#3) I don't think I've ever been disappointed by an Amazon Basics product yet. These pillows were soft, amazing pillows, but they were 1-2 inches too thick/firm for me. MyPillow - (#4) Despite all the hype around these, they were too lumpy and 1 inch too thick for me. Like I said previously, I ended up going with the Eversnug Adjustable pillows, which I absolutely adore. A tiny bonus is that you can take the pillows you don't use and rest them on your sides or between your knees for some extra cushioning.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 12, 2023
Y
Verified Purchase
Yi Xuan
New York, US
★★★★★ 5
Good price and pretty comfortable
Size: Standard (Pack of 2), Style: Soft, Configuration: Pillow
These down alternative pillows are incredibly soft and comfortable, especially for stomach and back sleepers. The soft density gives just the right amount of support without feeling too firm or too flat. I’ve been sleeping much better since switching to these pillows, and they stay fluffy throughout the night. I also love that they’re hypoallergenic, so there’s no irritation or overheating while sleeping. The standard size fits perfectly in my pillowcases, and the white color looks clean and fresh. Getting a 2-pack at this quality is a great value. Highly recommend for anyone looking for cozy, hotel-style pillows at an affordable price!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
M
Verified Purchase
Michelle H
Fort Morgan, US
★★★★★ 5
Comfortable Pillows
Size: Standard (Pack of 2), Style: Soft, Configuration: Pillow
These pillows have a nice soft feel and are so comfortable. They’re supportive without being too firm, so my neck feels comfortable throughout the night. They’re lightweight, fluffy, and easy to adjust for different sleeping positions. The material feels smooth and well-made, and the pillows hold their shape better than I expected for the price. They use some alternative fill instead of real feathers which is good for people with allergies.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
C
Verified Purchase
Cassie
Charlottesville, US
★★★★★ 3
Mid range quality
Size: Standard (Pack of 2), Style: Soft, Configuration: Pillow
They work for kids who aren’t picky. Size fit twin bedding well. Look nice and clean. Quality is mediocre. It wasn’t filled very much even after giving time for it to breathe and fluff. Kind of lumpy and lopsided.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 28, 2026

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