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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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

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 447 reviews
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    Product Reviews
    M
    Verified Purchase
    Mishele
    Draper, US
    ★★★★★ 5
    terrible item
    it worked a few times and it doesnt work at all! Terrible item!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on June 7, 2026
    M
    Verified Purchase
    Meek
    Natrona Heights, US
    ★★★★★ 1
    Very dangerous metal shavings!!!
    Negative stars if I could. This is a very dangerous product. It worked well for a while. But then it quit effectively removing the lid instead I got little tiny shavings of metal around the edge. These shavings of metal go into the food and very dangerous. So this was a waste of money and incredibly dangerous. I am throwing it in the trash today.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 25, 2026
    L
    Verified Purchase
    Lisandra Ramírez Galano
    Whiting, US
    ★★★★★ 5
    Practical and easy to use
    This electric can opener performs its function well and gets the job done effortlessly. With just the press of a button, it opens cans quickly and smoothly—which is very useful, especially if you prefer not to exert physical force. The design is comfortable to handle and does not take up much space in the kitchen. The battery life is good, and it recharges without any issues. Overall, it is a functional product that makes an everyday chore much easier.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 20, 2026
    A
    Verified Purchase
    Adrian m.
    Pawtucket, US
    ★★★★★ 5
    Works great
    Ive broken so many manual can openers from sheer strength and this eliminates that issue not only because it no longer needs my input but because this device actually works! Would definitely recommend it. Usb c charging is a god send, no batteries!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 20, 2026
    D
    Verified Purchase
    darlene oster
    Chelsea, US
    ★★★★★ 4
    Works well
    I have trouble turning it off. I need to find my instructions.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 15, 2026

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