Cylinder Head Gasket Chevrolet Mark-IV, GM Gen-V/VI Big Block V8 .040" MLS , 4.630" Bore, For Aftermarket Heads - Undersized Water Ports to Allow for Customization Cometic C5434-040
SKU: 37397381170

Cylinder Head Gasket Chevrolet Mark-IV, GM Gen-V/VI Big Block V8 .040" MLS , 4.630" Bore, For Aftermarket Heads - Undersized Water Ports to Allow for Customization Cometic C5434-040

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Description

Cylinder Head Gasket Chevrolet Mark-IV, GM Gen-V/VI Big Block V8 .040" MLS , 4.630" Bore, For Aftermarket Heads - Undersized Water Ports to Allow for Customization Cometic C5434-040Cometic C5434 040 Chevrolet Mark IV, GM Gen V VI Big Block V8 . 040" MLS Cylinder Head Gasket, 4. 630" Bore, For Aftermarket Heads Undersized Water Ports to Allow for Customization Details: Material: MLS Compressed Thickness: . 040 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 C5434-040 Chevrolet Mark-IV, GM Gen-V/VI Big Block V8 .040" MLS Cylinder Head Gasket, 4.630" Bore, For Aftermarket Heads - Undersized Water Ports to Allow for Customization

Details:

  • Material: MLS
  • Compressed Thickness: .040
  • 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
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 37397381170

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Reviewed in the United States on January 24, 2026
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sarah b
Boise, US
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Size: 1.7 Fl Oz (Pack of 1)
It is quite good overall, it blends in perfectly to my medium-light warm tone skin. There is no white tint. It seems effective in terms of SFP and doesn't leave a greasy or heavy feel, ends up looking lightly glowy but reasonably dry to the touch. I'm not sure you'd want to apply it thick enough to substitute for foundation. What I don't like - Like makeup the color can rub off on clothes etc. - Doesn't seem to reapply very well, leads to pilling, and also rubbing my face at all leads to pilling. It's very "don't touch it again after you applied once" - Quite hard to remove with normal cleanser, I think I might need to remove it with oil or something?
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Reviewed in the United States on January 29, 2026
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Ellemme
Pawtucket, US
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Ugh this tinted sunscreen is such a let-down. I was excited to find an option that's a mineral sunscreen, with tinting that's supposed to work for all skin tones, is made with non-comedogenic ingredients, and is a more reasonable price than what my old tinted sunscreen now costs. I saw mixed reviews on the greasiness / heaviness of this sunscreen, but decided to give it a try, especially because I have combo skin that gets pretty dry in the winter... but wish I had listened to the people who said this is overwhelmingly thick. Pros: the tint works fairly well for my light-to-medium warm-toned skin (although you can see in my video it doesn't blend at all well with my hand's skin tone... so can't imagine this will be universal), it doesn't irritate my combination skin that can be very sensitive, and hasn't blocked my pores. Cons: This feels like I'm smearing peanut butter on my face - it is such a thick and oily consistency. I have combination skin, with some areas that are especially dry right now in a northern winter climate... but this is not what I would call "moisturizing" - it's greasiness that is impossible to rub in, doesn’t dry down, and instead just sits on the skin (and I'm not even using close to the amount of sunscreen you're supposed to in order to get the true SPF coverage). I use tinted sunscreen to replace the need for a BB cream or foundation, and this unfortunately would never be appropriate for everyday wear.
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Draper, US
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Not super greasy, thankfully!
Size: 1.7 Fl Oz (Pack of 1)
Very gopd product! Goes on smooth and protects well. Non greasy feel.
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