Mr. Gasket Ultra-Seal Valve Cover Gaskets - 5871
SKU: 20605315724

Mr. Gasket Ultra-Seal Valve Cover Gaskets - 5871

$47.93 $53.25
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14

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Description

Mr. Gasket Ultra-Seal Valve Cover Gaskets - 5871Overview: Ultra Seal is Mr. Gasket's premium valve cover gasket material. It's manufactured from a high density cork and rubber blend with a black latex coat applied to the outside to help seal minor flange irregularites and eliminate oil leakage. It creates a positive seal by controlled swelling of the gasket material when exposed to hot oil. For OE replacement, high performance street, drag race and oval track use. Sold as a pair, these gaskets are

Overview:

Ultra-Seal is Mr. Gasket's premium valve cover gasket material. It's manufactured from a high density cork and rubber blend with a black latex coat applied to the outside to help seal minor flange irregularites and eliminate oil leakage. It creates a positive seal by controlled swelling of the gasket material when exposed to hot oil. For OE replacement, high performance street, drag race and oval track use. Sold as a pair, these gaskets are .187" thick.

Features:

    Application:

    Year Make Model Submodel Engine Size
    1970 - 1976 Mercury Montego 351/5.8 V8
    1972 - 1973 Mercury Monterey 351/5.8 V8
    1971 - 1974 Mercury Monterey 400/6.6 V8
    1972 - 1976 Mercury Montego 400/6.6 V8
    1975 - 1976 Ford Elite 400/6.6 V8
    1975 - 1976 Ford Elite 351/5.8 V8
    1971 - 1972 Ford Custom 351/5.8 V8
    1971 - 1972 Ford Custom 400/6.6 V8
    1971 - 1977 Ford Custom 500 400/6.6 V8
    1971 - 1974 Ford Country Squire 351/5.8 V8
    1971 - 1974 Ford Country Squire 400/6.6 V8
    1971 - 1977 Ford Custom 500 351/5.8 V8
    1970 Ford Fairlane 351/5.8 V8
    1971 - 1974 Ford Galaxie 500 400/6.6 V8
    1970 - 1974 Ford Galaxie 500 351/5.8 V8
    1972 - 1976 Ford Gran Torino 351/5.8 V8
    1972 - 1976 Ford Gran Torino 400/6.6 V8
    1971 - 1978 Ford LTD 400/6.6 V8
    1971 - 1978 Ford LTD 351/5.8 V8
    1970 - 1973 Ford Mustang 351/5.8 V8
    1970 - 1974 Ford Ranch Wagon 351/5.8 V8
    1971 - 1974 Ford Ranch Wagon 400/6.6 V8
    1970 - 1979 Ford Ranchero 351/5.8 V8
    1972 - 1978 Ford Ranchero 400/6.6 V8
    1972 - 1978 Ford Thunderbird 400/6.6 V8
    1970 - 1976 Ford Torino 351/5.8 V8
    1972 - 1976 Ford Torino 400/6.6 V8
    1971 - 1974 Mercury Colony Park 400/6.6 V8
    1972 - 1973 Mercury Colony Park 351/5.8 V8
    1969 Mercury Cougar 302/5 V8
    1970 - 1979 Mercury Cougar 351/5.8 V8
    1973 - 1978 Mercury Cougar 400/6.6 V8
    1977 - 1978 Ford LTD II 400/6.6 V8
    1977 - 1979 Ford LTD II 351/5.8 V8
    1977 - 1979 Ford Thunderbird 351/5.8 V8
    1977 - 1978 Lincoln Continental 400/6.6 V8
    1979 Lincoln Continental
    1977 - 1978 Lincoln Mark V 400/6.6 V8
    1979 Lincoln Mark V
    1978 Mercury Grand Marquis 351/5.8 V8
    1975 - 1978 Mercury Grand Marquis 400/6.6 V8
    1971 - 1978 Mercury Marquis 400/6.6 V8
    1972 - 1978 Mercury Marquis 351/5.8 V8
    1971 - 1974 Ford Country Sedan 400/6.6 V8
    1971 - 1974 Ford Country Sedan 351/5.8 V8
    1970 - 1971 Mercury Cyclone 351/5.8 V8
    1978 - 1981 Ford Bronco 351/5.8 V8
    1978 - 1979 Ford Bronco 400/6.6 V8
    1980 Ford E-250 Econoline 400/6.6 V8
    1980 - 1981 Ford E-250 Econoline 351/5.8 V8
    1980 - 1981 Ford E-250 Econoline Club Wagon 351/5.8 V8
    1980 - 1982 Ford E-250 Econoline Club Wagon 400/6.6 V8
    1980 - 1981 Ford E-350 Econoline 351/5.8 V8
    1980 - 1982 Ford E-350 Econoline 400/6.6 V8
    1980 - 1981 Ford E-350 Econoline Club Wagon 351/5.8 V8
    1980 - 1982 Ford E-350 Econoline Club Wagon 400/6.6 V8
    1977 - 1979 Ford F-100 351/5.8 V8
    1977 - 1979 Ford F-100 400/6.6 V8
    1977 - 1981 Ford F-150 351/5.8 V8
    1977 - 1979 Ford F-150 400/6.6 V8
    1977 - 1981 Ford F-250 351/5.8 V8
    1977 - 1982 Ford F-250 400/6.6 V8
    1977 - 1982 Ford F-350 400/6.6 V8
    1977 - 1981 Ford F-350 351/5.8 V8

    Specs:

    Application Small Block Ford
    Brand Mr. Gasket
    Emission Code 5
    Engine Ford Boss 302
    Engine Ford Cleveland
    Engine Ford Modified
    Packaging Retail - Skin Pack
    Product Type Valve Cover Gaskets
    Valve Cover Gasket Material Ultra Seal
    Valve Cover Gasket Thickness .187"
    Warranty Limited 90 Day
    Weight 0.5
    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: 20605315724

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    4.9 ★★★★★
    Based on 1689 reviews
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    Product Reviews
    M
    Verified Purchase
    M. Thomas
    Draper, US
    ★★★★★ 1
    As long as longevity isn’t required
    Color: Graphite, Style: Keyboard
    Love this keyboard, I chose the ProtoArc EM11 NL Bluetooth Ergonomic Mouse to go with it. Could not be more pleased with quality and heft of the keyboard specially at the price point. Whisper silent and easy to pair. Excellent choice. ******UPDATED****** Had to come back and downgrade to 1 star. Keyboard quit on me after 3 months. Phantom keystrokes, like I was holding down one letter. It was a slow burn until I couldn’t take it anymore. Thought it was a one off. Replaced the batteries etc. If you just need something for a month or so while waiting or saving for something better, go for it. Totally fits the ‘you get what you pay for’ idiom.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on October 23, 2025
    W
    Verified Purchase
    William
    Omaha, US
    ★★★★★ 5
    Great Keyboard
    Color: Graphite, Style: Keyboard
    I bought the keyboard only, because I already had the bluetooth mouse. This is a very good keyboard. I was concerned when ordering that the keys maybe be mushy without having seen a display, but I've not found them to be so at all. The keys do not click loudly like every other keyboard I've ever used, but the keys are every bit responsiveness and snap like others. After using it a couple hours, I don't really notice the lack of clicking . . . and found it actually does have its own distinct muffled sound.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 16, 2026
    M
    Verified Purchase
    Michelle Coleman
    San Leandro, US
    ★★★★★ 5
    Well Worth the Money
    Color: Graphite, Style: Keyboard
    I bought this keyboard after my last bluetooth one crapped out. I wasn't looking for anything fancy, and it's not. But it is comfortable, and I like the way the keys feel. Honestly, I even like the way it looks. The only downside is that one of the control buttons near the shift button will erase an entire sentence or two if it is accidently touched. That's annoying, but not enough for me to give it a four star. It's fairly quiet. I actually like the way it sounds. I use it every day, sometimes for a couple of hours. The batteries are going strong. I am glad I didn't go for a more expensive option. It doesn everything I want it to. It's compatible with my tablet and connects right away. I don't even have to reconnect it every time. I just start tapping the keys and it is ready to go fairly quickly. Over all, this is a great value for your money. I highly reccommend it.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 7, 2026
    A
    Verified Purchase
    Amazon Customer
    Lowell, US
    ★★★★★ 5
    Sleek design, recommend
    Size: 13 Inch, Color: Black 8 Pcs
    Very good quality
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 27, 2026
    W
    Verified Purchase
    WEH0206
    Dallas, US
    ★★★★★ 5
    Great quality.
    Size: 12 Inch, Color: Black 8 Pcs
    Works as expected easy to install. Look nice.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 9, 2026

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