SKU: 55938029545

Mr. Gasket Ultra-Seal Header Gaskets - 5920

Sale price$50.62 Regular price$56.25
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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20

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Description

Mr. Gasket Ultra-Seal Header Gaskets - 5920Overview: 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
    1971 - 1976 Pontiac Bonneville 455/7.5 V8
    1967 - 1974 Pontiac Bonneville 400/6.6 V8
    1965 - 1969 Pontiac Catalina
    1967 Pontiac Catalina 428/7 V8
    1970 - 1974 Pontiac Catalina 400/6.6 V8
    1970 - 1976 Pontiac Catalina 455/7.5 V8
    1965 - 1970 Pontiac Bonneville
    1970 - 1976 Pontiac Catalina 350/5.7 V8
    1971 - 1976 Pontiac Firebird 455/7.5 V8
    1968 - 1976 Pontiac Firebird 350/5.7 V8
    1973 - 1975 Pontiac Grand Am 350/5.7 V8
    1973 - 1975 Pontiac Grand Am 455/7.5 V8
    1975 - 1976 Pontiac Grand LeMans 350/5.7 V8
    1975 - 1976 Pontiac Grand LeMans 455/7.5 V8
    1976 Pontiac Grand Prix 350/5.7 V8
    1971 - 1976 Pontiac Grand Prix 455/7.5 V8
    1968 - 1976 Pontiac LeMans 350/5.7 V8
    1970 - 1976 Pontiac LeMans 455/7.5 V8
    1971 - 1976 Pontiac Grand Safari 455/7.5 V8
    1972 - 1975 Pontiac Grandville 455/7.5 V8
    1972 - 1976 Pontiac Ventura 350/5.7 V8
    1966 Pontiac Bonneville 389/6.4 V8
    1967 Pontiac Bonneville 428/7 V8
    1968 - 1974 Pontiac Firebird 400/6.6 V8
    1967 Pontiac Firebird 326/5.3 V8
    1973 - 1974 Pontiac Grand Am 400/6.6 V8
    1967 - 1974 Pontiac Grand Prix 400/6.6 V8
    1965 - 1970 Pontiac Grand Prix
    1971 - 1974 Pontiac Grand Safari 400/6.6 V8
    1971 Pontiac Grandville
    1973 Pontiac Grandville 400/6.6 V8
    1965 - 1970 Pontiac GTO
    1966 Pontiac Grand Prix 389/6.4 V8
    1967 Pontiac Grand Prix 428/7 V8
    1971 - 1973 Pontiac GTO 400/6.6 V8
    1971 - 1973 Pontiac GTO 455/7.5 V8
    1968 - 1974 Pontiac LeMans 400/6.6 V8
    1965 - 1967 Pontiac LeMans 326/5.3 V8
    1965 Pontiac Star Chief
    1966 Pontiac Star Chief 389/6.4 V8
    1965 - 1967 Pontiac Tempest 326/5.3 V8
    1968 - 1970 Pontiac Executive 400/6.6 V8
    1968 - 1970 Pontiac Tempest 350/5.7 V8
    1967 Pontiac Executive
    1968 - 1969 Pontiac Executive 428/7 V8
    1968 - 1970 Pontiac Tempest 400/6.6 V8
    1970 Pontiac Executive 455/7.5 V8

    Specs:

    Brand Mr. Gasket
    Collector Gaskets Included No
    Emission Code 5
    Engine Pontiac V8
    Gasket Line Ultra-Seal
    Material Ultra-seal
    Port Shape Oval
    Port Size 1.46" x 1.93"
    Product Type Header Gaskets
    Thickness .062"
    Warning California Proposition 65
    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: 55938029545

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    jose navarrete
    Grantham, US
    ★★★★★ 5
    Sturdy Dual Monitor Riser with Great Storage and Desk Space
    Color: Oak
    This monitor stand seems like a really strong option if you want both better screen height and more desk organization. The biggest pros are the extra-wide 42.5-inch size, built-in drawers, and sturdy construction—listings say it can hold up to 99 lbs and is designed to support two monitors while freeing up space underneath for a keyboard and accessories. Reviews and product descriptions also consistently highlight the ergonomic benefit of raising the screens to a more comfortable level. The main downside is that stands like this take up a decent amount of desk depth, so you want to make sure your desk has enough room before buying. Overall, it looks like a great choice if you want a cleaner setup, dual-monitor support, and extra storage in one piece.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 25, 2026
    K
    Verified Purchase
    Kelly Ann Gustovich
    Natrona Heights, US
    ★★★★★ 5
    Monitor stand that stands up!
    Color: White
    This monitor stand is absolutely perfect. It gives back inches of desk space and provides additional storage with the shelves and 2 small drawers. Assembly was simple and the stand is sturdy and looks great. The profile is low enough that your monitors are not too high up from your laptop/keyboard. Definitely a game changes for the home office!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on June 11, 2025
    S
    Verified Purchase
    Sarah Yeap Thach
    West Palm Beach, US
    ★★★★★ 4
    Great Monitor Riser/Stand!
    Color: Oak, Color: Oak
    I’m so happy with the way it turned out!! Easy assembly in about 15 min. It’s so cute and you can customize if you’d like the drawers to be on the left or right side. I just noticed a slight deviation in material dimensions so it looks a little off. But it’s still functional!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on June 26, 2025
    S
    Verified Purchase
    sarah
    Port Orchard, US
    ★★★★★ 5
    high quality and sturdy !
    Color: Brown, Color: Brown
    if you’re thinking about it, get it! i splurged to get this, but it’s so nice. it’s high quality and sturdy, plus it helps a lot to organize and keep things neat. putting it together was just like an ikea item and took much longer than i thought- around ~30-45 minutes, but it was worth it. i wanted a stand that would be able to fit my 2 monitors, and this is perfect. i’ve had it for over 6 months now and it still looks brand new! it really upgrades your desk space and makes it feel nicer. 10/10 recommend
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on January 14, 2026
    E
    Verified Purchase
    Edna
    Massapequa, US
    ★★★★★ 5
    Really like it
    Color: Oak
    Easy assembly and fits my desk. Looks nice and very happy with it. This sits on my motorized desk with two monitors on it. I was so happy with it, I purchased a 2nd one for my husbands desk.
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    Reviewed in the United States on May 11, 2026

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