SKU: 23475461655

Mr. Gasket Performance Valve Cover Gaskets - .312 Inch Thick - 182

$46.76 $51.95
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15

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For Your Every Summer RSVP, with Code: SUMMER15

Description

Mr. Gasket Performance Valve Cover Gaskets - .312 Inch Thick - 182Overview: Mr. Gasket Performance Valve Cover Gaskets are high density cork rubber blend gaskets that use evenly sized cork particles distributed evenly throughout the rubber binder. The result is a compressible valve cover gasket without leak paths. These gaskets create a positive seal by controlled swelling of the gasket material when exposed to hot engine oil. Provides excellent flange sealing and durability. For original equipment replacement, high

Overview:

Mr. Gasket Performance Valve Cover Gaskets are high-density cork/rubber blend gaskets that use evenly sized cork particles distributed evenly throughout the rubber binder. The result is a compressible valve cover gasket without leak paths. These gaskets create a positive seal by controlled swelling of the gasket material when exposed to hot engine oil. Provides excellent flange sealing and durability. For original equipment replacement, high performance street, drag race and oval track use.

These gaskets are .312 inch thick. That's substantially thicker than stock which can allow for additional valve train clearance.

Fits Chevrolet 396,402,427,454,502 Gen IV, Gen V and Gen VI Big Block.

Features:

    Application:

    Year Make Model Submodel Engine Size
    1963 - 1969 Chevrolet Biscayne 427/7 V8
    1968 - 1969 Chevrolet Biscayne 396/6.5 V8
    1971 - 1972 Chevrolet Biscayne 454/7.4 V8
    1971 - 1972 Chevrolet Biscayne 402/6.6 V8
    1973 Chevrolet Blazer 454/7.4 V8
    1972 Chevrolet Brookwood 402/6.6 V8
    1968 - 1969 Chevrolet C10 Pickup 396/6.5 V8
    1973 - 1974 Chevrolet C10 Pickup 454/7.4 V8
    1968 - 1969 Chevrolet C10 Suburban 396/6.5 V8
    1973 - 1980 Chevrolet C10 Suburban 454/7.4 V8
    1968 - 1969 Chevrolet C20 Pickup 396/6.5 V8
    1973 - 1974 Chevrolet C20 Pickup 454/7.4 V8
    1968 - 1969 Chevrolet C20 Suburban 396/6.5 V8
    1973 - 1986 Chevrolet C20 Suburban 454/7.4 V8
    1968 - 1969 Chevrolet C30 Pickup 396/6.5 V8
    1973 - 1974 Chevrolet C30 Pickup 454/7.4 V8
    1968 - 1969 Chevrolet Camaro 396/6.5 V8
    1970 - 1972 Chevrolet Camaro 402/6.6 V8
    1966 - 1969 Chevrolet Caprice 427/7 V8
    1968 - 1969 Chevrolet Caprice 396/6.5 V8
    1970 - 1976 Chevrolet Caprice 454/7.4 V8
    1971 - 1972 Chevrolet Caprice 402/6.6 V8
    1968 - 1970 Chevrolet Chevelle 396/6.5 V8
    1970 - 1973 Chevrolet Chevelle 454/7.4 V8
    1970 - 1972 Chevrolet Chevelle 402/6.6 V8
    1968 Chevrolet Chevy II 396/6.5 V8
    1966 - 1969 Chevrolet Corvette 427/7 V8
    1975 - 1986 Chevrolet C30 454/7.4 V8
    1988 - 1990 Chevrolet C3500 454/7.4 V8
    1970 - 1975 Chevrolet El Camino 454/7.4 V8
    1976 Chevrolet G20 454/7.4 V8
    1975 - 1990 Chevrolet G30 454/7.4 V8
    1970 - 1976 Chevrolet Impala 454/7.4 V8
    1976 - 1980 Chevrolet K10 454/7.4 V8
    1976 - 1978 Chevrolet K20 454/7.4 V8
    1977 - 1986 Chevrolet K30 454/7.4 V8
    1988 - 1990 Chevrolet K3500 454/7.4 V8
    1973 - 1975 Chevrolet Laguna 454/7.4 V8
    1973 - 1975 Chevrolet Malibu 454/7.4 V8
    1970 - 1975 Chevrolet Monte Carlo 454/7.4 V8
    1987 - 1988 Chevrolet R20 454/7.4 V8
    1989 Chevrolet R2500 454/7.4 V8
    1987 - 1988 Chevrolet R20 Suburban 454/7.4 V8
    1989 - 1990 Chevrolet R2500 Suburban 454/7.4 V8
    1987 - 1988 Chevrolet R30 454/7.4 V8
    1989 - 1990 Chevrolet R3500 454/7.4 V8
    1987 - 1988 Chevrolet V30 454/7.4 V8
    1989 - 1990 Chevrolet V3500 454/7.4 V8
    1975 - 1978 GMC C15 454/7.4 V8
    1975 - 1980 Chevrolet C10 454/7.4 V8
    1990 Chevrolet C1500 454/7.4 V8
    1975 - 1986 Chevrolet C20 454/7.4 V8
    1970 - 1975 Chevrolet Bel Air 454/7.4 V8
    1968 - 1969 GMC C35/C3500 Pickup 396/6.5 V8
    1974 GMC C25/C2500 Suburban 454/7.4 V8
    1973 - 1974 GMC C35/C3500 Pickup 454/7.4 V8
    1973 - 1976 GMC Jimmy 454/7.4 V8
    1968 - 1969 GMC K15/K1500 Pickup 396/6.5 V8
    1968 GMC K15/K1500 Suburban 396/6.5 V8
    1974 GMC K15/K1500 Suburban 454/7.4 V8
    1968 - 1969 GMC K25/K2500 Pickup 396/6.5 V8
    1973 - 1974 GMC K25/K2500 Pickup 454/7.4 V8
    1968 GMC K25/K2500 Suburban 396/6.5 V8
    1974 GMC K25/K2500 Suburban 454/7.4 V8
    1968 - 1969 GMC K35/K3500 Pickup 396/6.5 V8
    1973 - 1974 GMC K35/K3500 Pickup 454/7.4 V8
    1971 - 1975 GMC Sprint 454/7.4 V8
    1970 - 1974 Chevrolet Corvette 454/7.4 V8
    1969 Chevrolet El Camino 396/6.5 V8
    1970 - 1972 Chevrolet El Camino 402/6.6 V8
    1973 - 1974 Chevrolet G20 Van 454/7.4 V8
    1973 - 1974 Chevrolet G30 Van 454/7.4 V8
    1963 - 1969 Chevrolet Impala 427/7 V8
    1968 - 1969 Chevrolet Impala 396/6.5 V8
    1971 - 1972 Chevrolet Impala 402/6.6 V8
    1968 - 1969 Chevrolet K10 Pickup 396/6.5 V8
    1974 Chevrolet K10 Pickup 454/7.4 V8
    1968 - 1969 Chevrolet K10 Suburban 396/6.5 V8
    1968 - 1969 Chevrolet K20 Pickup 396/6.5 V8
    1973 - 1974 Chevrolet K20 Pickup 454/7.4 V8
    1968 - 1969 Chevrolet K30 Pickup 396/6.5 V8
    1973 - 1974 Chevrolet K30 Pickup 454/7.4 V8
    1970 - 1972 Chevrolet Kingswood 454/7.4 V8
    1971 - 1972 Chevrolet Kingswood 402/6.6 V8
    1979 - 1986 GMC C2500 454/7.4 V8
    1975 - 1978 GMC C25 Suburban 454/7.4 V8
    1979 - 1986 GMC C2500 Suburban 454/7.4 V8
    1975 - 1978 GMC C35 454/7.4 V8
    1979 - 1990 GMC C3500 454/7.4 V8
    1975 - 1976 GMC G25 454/7.4 V8
    1976 GMC G35 454/7.4 V8
    1988 - 1990 GMC G3500 454/7.4 V8
    1976 GMC K15 454/7.4 V8
    1980 GMC K1500 454/7.4 V8
    1976 - 1978 GMC K25 454/7.4 V8
    1976 - 1977 GMC K25 Suburban 454/7.4 V8
    1979 - 1990 GMC K3500 454/7.4 V8
    1987 - 1989 GMC R2500 454/7.4 V8
    1987 - 1990 GMC R2500 Suburban 454/7.4 V8
    1987 - 1990 GMC R3500 454/7.4 V8
    1987 - 1990 GMC V3500 454/7.4 V8
    1963 - 1969 Chevrolet Bel Air 427/7 V8
    1968 - 1969 Chevrolet Bel Air 396/6.5 V8
    1971 - 1972 Chevrolet Bel Air 402/6.6 V8
    1969 - 1970 Chevrolet Nova 396/6.5 V8
    1979 - 1980 GMC C1500 454/7.4 V8
    1975 - 1978 GMC C15 Suburban 454/7.4 V8
    1979 - 1980 GMC C1500 Suburban 454/7.4 V8
    1975 - 1978 GMC C25 454/7.4 V8
    1970 - 1972 Chevrolet Monte Carlo 402/6.6 V8
    1970 Chevrolet Nova 402/6.6 V8
    1970 - 1972 Chevrolet Townsman 454/7.4 V8
    1972 Chevrolet Townsman 402/6.6 V8
    1968 - 1969 GMC C15/C1500 Pickup 396/6.5 V8
    1973 - 1974 GMC C15/C1500 Pickup 454/7.4 V8
    1968 - 1969 GMC C15/C1500 Suburban 396/6.5 V8
    1973 - 1974 GMC C15/C1500 Suburban 454/7.4 V8
    1968 - 1969 GMC C25/C2500 Pickup 396/6.5 V8
    1973 - 1974 GMC C25/C2500 Pickup 454/7.4 V8
    1968 - 1969 GMC C25/C2500 Suburban 396/6.5 V8
    1976 - 1978 Chevrolet K5 Blazer 454/7.4 V8

    Specs:

    Application Big Block Chevy
    Brand Mr. Gasket
    Color Tan
    Emission Code 5
    Engine Chevrolet Big Block Gen V/VI
    Engine Chevrolet Big Block Mark IV
    Material Performance
    Packaging Retail - Skin Pack
    Product Type Valve Cover Gaskets
    Valve Cover Gasket Material Performance
    Valve Cover Gasket Thickness .312"
    Warranty Limited 90 Day Warranty
    Weight 0.7
    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: 23475461655

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    4.3 ★★★★★
    Based on 1468 reviews
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    Product Reviews
    J
    Jacobson
    Lake Worth, US
    ★★★★★ 5
    Adorable and Well‑Made Outfit for Special Events
    Color: Light Blue, Size: 10, Color: Light Blue, Size: 10
    Got this suit set for my son and absolutely love it. It comes with everything he needs to look sharp, and I really appreciate that it includes both a tie and a bow tie so we can switch up the style depending on the occasion. The quality is impressive for the price — the fabric feels light and comfortable, and the whole outfit has a polished look without being stiff or uncomfortable. The fit was spot on, and the adjustable waistband is a huge help for getting it just right. My son looked great in it, and it’s definitely something he can wear for more than one event. The little details on the jacket and pants give it a classic, dressed‑up feel that works for weddings, holidays, or any special moment. Overall, it’s a stylish, practical set that makes getting him ready so much easier. Really happy with this purchase.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 1, 2026
    C
    Crystal
    Whiting, US
    ★★★★★ 4
    Boys linen fabric suit
    Color: Light Green, Size: 16
    Boys suit set in a lighter green color. This suit is made with good proportions and seems to fit well. The sizing seems slightly big so maybe size down one size. The fabric does wrinkle easily so be aware that sitting and folding the suit may cause wrinkling. Otherwise it is a very nice suit for a formal occasion. It comes in many good colors.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 29, 2026
    A
    Atherney Family Farm
    Grantham, US
    ★★★★★ 5
    Nice elegant suit for any occasion.
    Color: Light Blue, Size: 12, Color: Light Blue, Size: 12
    The suit set is very nice, the fabric material is durable and soft. Overall stitching is tight with nice surging of the hems and great construction on the shoulders. Buttons and button wholes are well done. I'm going to iron in the creases on the front of the pants because they weren't folded properly for shipping. The material does hold on to wrinkles so don't be afraid of your iron to get a super sharp look. The color is a soft baby blue that stands out in a crowd of black suits. With the option of an elastic tie or clip on bowtie this is everything you need to make him look presentable for a variety of occasions. My only complaint about this suit kit is the dress shirt is stiff and thin. I found some loose threads that I don't trust to not get played with. I'll probably trade it out for something with a little more cotton. As far as cost goes mid range, but definitely worth the cost. I might consider something with a vest if it's a super formal event, but I'm very happy with how this suit comes together.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 18, 2026
    M
    Martin V.
    Phoenix, US
    ★★★★★ 5
    Modern luxury with summer fabric that performs above its price!
    Color: Beige, Size: 14, Color: Beige, Size: 14
    Wow! My son wore it for Easter Sunday and this suit fits the bill! The linen material is spot on--not too heavy and not too light especially since the weather is warming up now. The jacket is quality made--the design is modern executive, the stitches are strong no flaws to note. The pants are tad bit longer but that's okay, build quality is also great. The white shirt is decent and matches well with the rest of the set. The bow tie and tie itself is a great complimentary to the set, though optional to wear. The whole set just has that quality you would really look for in the price range you would want to pay. Overall, best value for for the, wear right outside the bag, maybe a light ironing otherwise it's perfect! I highly recommend it, no complaints here very happy with this suit!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 5, 2026
    A
    Ariel B.
    West Palm Beach, US
    ★★★★★ 4
    Heavy linen character, but a beautifully tailored suit!
    Color: Beige, Size: 4, Color: Beige, Size: 4
    This is a really nice linen suit! The jacket is beautifully made and well-tailored, with a fun speckled texture that has lots of pretty color variation (we ordered the beige). When I placed it side by side with a similar linen suit from another brand, the difference in the linen texture was really noticeable — this had a much stronger linen character that stands out! It has three useful pockets on the outside of the jacket, which is great for little hands. The only downside is that one of the inside pockets is just for show (faux), which was a bit surprising and somewhat disappointing for my little guy. The pants have pockets too, but they aren’t very deep — perfect for small treasures, but not much more. The pants are made from a lighter, thinner single-layer linen compared to the fully lined, double-layer jacket, which makes sense for comfort and easy movement. The pants didn’t come with a front crease ironed in, so you’ll want to press one yourself. The linen did pick up some creases from being folded in the package, but it doesn’t seem quite as wrinkly as some other linen fabrics I’ve tried. Still, like most linen clothes, especially for boys, the pants will need occasional ironing to keep them looking neat and crisp, especially after a day of play and general wear. The structured, lined jacket stays looking smoother and more put-together with less effort. It also came with a bow tie, a neck tie, and a tuxedo-style white shirt as extras. The ties aren’t great quality — they’d work fine for quick photos but probably won’t hold up to much actual wear. The formal white shirt feels a bit funny paired with the casual linen suit, but I don’t mind at all. We already have white shirts that we prefer, so we’ll use those instead. For us, the extras are really just bonus items we won’t plan on using. Overall, it’s a handsome little suit that’s perfect for special occasions like weddings, family photos, or holiday events. My kid looked adorable in it! The stronger linen texture on the jacket gives it a premium feel that I really like. Just be ready for a bit of extra care with the pants to keep everything sharp.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 8, 2026

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