SKU: 45707357899

Mr. Gasket Ultra-Seal Header Gaskets - 5945

Sale price$42.30 Regular price$47.00
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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6

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Description

Mr. Gasket Ultra-Seal Header Gaskets - 5945Overview: Manufactured from high temperature steel core graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp

Overview:

Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track use.

Features:

    Application:

    Year Make Model Submodel Engine Size
    1964 - 1977 Oldsmobile 98
    1978 - 1980 Oldsmobile 98 350/5.7 V8
    1978 - 1979 Oldsmobile 98 403/6.6 V8
    1973 - 1977 Oldsmobile Omega 350/5.7 V8
    1972 - 1980 Oldsmobile Delta 88 350/5.7 V8
    1972 - 1973 Oldsmobile Delta 88 455/7.5 V8
    1966 - 1978 Oldsmobile Toronado
    1964 - 1975 Oldsmobile Vista Cruiser
    1968 - 1973 Oldsmobile Vista Cruiser 350/5.7 V8
    1965 - 1976 Oldsmobile Delta 88
    1968 Oldsmobile Vista Cruiser 400/6.6 V8
    1964 - 1966 Oldsmobile Dynamic 88
    1964 - 1967 Oldsmobile F85 330/5.4 V8
    1972 - 1973 Oldsmobile Vista Cruiser 455/7.5 V8
    1968 - 1972 Oldsmobile F85 350/5.7 V8
    1970 - 1972 Oldsmobile F85 455/7.5 V8
    1964 - 1966 Oldsmobile Jetstar 88
    1964 - 1966 Oldsmobile Starfire
    1964 Oldsmobile Super 88
    1967 - 1968 Oldsmobile Cutlass 400/6.6 V8
    1968 - 1980 Oldsmobile Cutlass 350/5.7 V8
    1970 - 1976 Oldsmobile Cutlass 455/7.5 V8
    1965 - 1966 Oldsmobile F85 400/6.6 V8
    1964 - 1974 Oldsmobile Cutlass
    1977 - 1979 Oldsmobile Delta 88 403/6.6 V8
    1979 - 1980 Oldsmobile Toronado 350/5.7 V8
    1977 - 1980 Oldsmobile Custom Cruiser 350/5.7 V8
    1965 - 1971 Oldsmobile 442
    1971 - 1976 Oldsmobile Custom Cruiser
    1971 - 1974 Oldsmobile Cutlass Supreme
    1972 - 1980 Oldsmobile Cutlass Supreme 350/5.7 V8
    1972 - 1976 Oldsmobile Cutlass Supreme 455/7.5 V8
    1967 Oldsmobile Delmont 88
    1968 Oldsmobile Delmont 88 350/5.7 V8
    1967 Oldsmobile Cutlass 330/5.4 V8
    1977 - 1979 Oldsmobile Custom Cruiser 403/6.6 V8
    1977 Oldsmobile Cutlass 403/6.6 V8
    1975 - 1979 Oldsmobile Cutlass Salon 350/5.7 V8
    1976 Oldsmobile Cutlass Tiara 455/7.5 V8
    1975 - 1976 Oldsmobile Cutlass Salon 455/7.5 V8
    1979 - 1980 Oldsmobile Cutlass Calais 350/5.7 V8
    1977 Oldsmobile Cutlass Salon 403/6.6 V8
    1976 Oldsmobile Cutlass Tiara 350/5.7 V8
    1980 Oldsmobile Cutlass Cruiser 350/5.7 V8
    1977 Oldsmobile Cutlass Supreme 403/6.6 V8
    1964 - 1965 Oldsmobile Jetstar I

    Specs:

    Brand Mr. Gasket
    Collector Gaskets Included No
    Emission Code 5
    Engine Oldsmobile V8
    Gasket Line Ultra-Seal
    Material Ultra-seal
    Port Shape Rectangle
    Port Size 1.55" x 1.92"
    Product Type Header Gaskets
    Thickness .062"
    Warranty Limited 90 Day Warranty
    Weight 0.38
    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: 45707357899

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    4.6 ★★★★★
    Based on 18 reviews
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    Product Reviews
    B
    Verified Purchase
    Brian D.
    Lexington, US
    ★★★★★ 5
    They are comfortable!
    Size: X-Large, Color: 2 Pack - Navy
    I really like them. Pockets are very helpful and the size was right for me eventhough it was suggested a size bigger. Washed both already and noticed no shrinkage. Very comfortable and the length is just above the knees. Great for hanging about, in the gym or even a trip to the store.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 29, 2026
    F
    Verified Purchase
    Furbaby's Mama
    Pawtucket, US
    ★★★★★ 5
    BIG GIRLS LOVE 'EM TOO!
    Size: 3X-Large, Color: 2 Pack - Black
    I am a plus size gal. I was looking for some sleep shorts, but all the ones for us plus size gals were so short I may as well not have been wearing anything. I decided to look in men's shorts, and found these. They are nice and long, and the material is nice and soft. Also, unlike the women's shorts, the pockets in these are nice sized, big enough for my phone and then some. There's a drawstring, but the elastic in these is plenty to keep them up and riding at my waist, where they're supposed to be, without having to tie them. Typically I wear a 2X, but I purchased these in a 3X because I like a little more room in my PJ bottoms, and they fit great. The only thing I don't care for necessarily is that the elastic waistband is just a smidge scratchy, but after wearing them a while I found it didn't bother me. And the price is pretty good for two pairs - much cheaper than women's plus shorts. I liked them enough that I came back and bought 4 more pair!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 2, 2026
    K
    Verified Purchase
    Kahtii
    Lowell, US
    ★★★★★ 5
    Comfortable and stretchy shorts with pockets!
    Size: XX-Large, Color: 2 Pack - Black, Size: XX-Large, Color: 2 Pack - Black
    For the most part, I've exclusively worn pants/jeans/slacks since my teens, I'm pretty sure that I've worn a skirt or dress on only 2 occasions in my life, and the skirt part was ankle - floor length those 2 times... Just to paint a picture for anyone reading my review knows how serious I am about hiding my almost reflectively white legs. At least up until I moved from the West Coast all the way to Oklahoma. Not only did I realize that I've taken California/PNW weather for granted all these years, but I quickly learned that I would now be wearing shorts every chance I get in this heat. These shorts aren't made with a heavy type of fabric, they are stretchy and lightweight, and they even have pockets! My wardrobe color pallet is mostly just black or slightly different shades of black, so of course I got these shorts in black. Plus Fruit of the Loom has been a known name brand for as long as I can remember. These are a great value for the money, great quality so far, and the waist is easy/self-explanatory to adjust. I would like to point out that the tie string in the waist somehow got tangled with a stray string or tie string attached to something else in the same load of laundry I put the shorts in. I ended up having to cut off the part that was frayed from getting tangled, so I suggest that the tie around the waist of theses shorts should be knotted/tied together to hopefully avoid the tie string from fraying in the wash or something.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on August 22, 2025
    C
    Verified Purchase
    cora l starling
    Dallas, US
    ★★★★★ 5
    Best comfy clothes shorts !
    Size: 4X-Large, Color: 2 Pack - Black
    I needed some comfy shorts to wear around the house ! These are perfect!! Draw string waist band , legs are roomy perfect for yard work also!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 29, 2026
    S
    Verified Purchase
    Stephen Graham
    West Palm Beach, US
    ★★★★★ 3
    You get what you pay for
    Size: 3X-Large, Color: 2 Pack - Black
    These are certainly comfortable, and the material itself is decent. However, the material is thin and therefore prone to puncture if you are not careful. The biggest issue is the drawstrings are very poorly sewn in, and have broken out on every pair I have purchased. Instead of being a solid loop that ties in the front, the ends are sewn in the back. The fit is true to the size listed, as long as you are okay relying exclusively on the elastic waistband. They are somewhat acceptable for the price.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 17, 2026

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