Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Mr. Gasket Ultra-Seal Valve Cover Gaskets - 5870Overview: Ultra Seal is Mr. Gasket 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 original equipment replacement, high performance street, drag race and oval track use. Sold as a pair.
Overview:
Ultra-Seal is Mr. Gasket 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 original equipment replacement, high performance street, drag race and oval track use. Sold as a pair. These gaskets are .187 inch thick.
Features:
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1981 - 1989 | Lincoln | Town Car | ||
| 1987 - 1989 | Mercury | Colony Park | ||
| 1979 - 1989 | Mercury | Grand Marquis | 302/5 V8 | |
| 1978 - 1981 | Mercury | Grand Marquis | 351/5.8 V8 | |
| 1977 | Lincoln | Versailles | 302/5 V8 | |
| 1978 - 1980 | Lincoln | Versailles | ||
| 1979 - 1986 | Mercury | Capri | 302/5 V8 | |
| 1968 - 1977 | Mercury | Comet | 302/5 V8 | |
| 1968 - 1988 | Mercury | Cougar | 302/5 V8 | |
| 1971 - 1981 | Mercury | Marquis | 351/5.8 V8 | |
| 1979 - 1982 | Mercury | Marquis | 302/5 V8 | |
| 1975 - 1980 | Mercury | Monarch | 302/5 V8 | |
| 1975 - 1977 | Mercury | Monarch | 351/5.8 V8 | |
| 1969 - 1976 | Mercury | Montego | 351/5.8 V8 | |
| 1978 - 1979 | Mercury | Zephyr | 302/5 V8 | |
| 1968 - 1989 | Ford | Mustang | 302/5 V8 | |
| 1968 - 1989 | Ford | Bronco | 302/5 V8 | |
| 1971 | Mercury | Monterey | 351/5.8 V8 | |
| 1966 - 1967 | Mercury | Voyager | 289/4.7 V8 | |
| 1964 - 1967 | Mercury | Villager | 289/4.7 V8 | |
| 1975 - 1976 | Ford | Elite | 351/5.8 V8 | |
| 1987 - 1989 | Ford | LTD Crown Victoria | 302/5 V8 | |
| 1987 - 1991 | Ford | LTD Crown Victoria | 351/5.8 V8 | |
| 1964 - 1967 | Ford | Custom 500 | 289/4.7 V8 | |
| 1964 | Ford | Custom 500 | 260/4.3 V8 | |
| 1964 | Mercury | Villager | 260/4.3 V8 | |
| 1964 | Ford | Galaxie 500 | 260/4.3 V8 | |
| 1964 - 1967 | Ford | Galaxie 500 | 289/4.7 V8 | |
| 1964 | Ford | Custom | 260/4.3 V8 | |
| 1965 - 1967 | Ford | Custom | 289/4.7 V8 | |
| 1969 - 1972 | Ford | Custom | 351/5.8 V8 | |
| 1968 - 1972 | Ford | Custom | 302/5 V8 | |
| 1969 - 1983 | Ford | F-100 | 302/5 V8 | |
| 1972 - 1989 | Ford | F-250 | 302/5 V8 | |
| 1972 - 1980 | Ford | F-350 | 302/5 V8 | |
| 1977 - 1992 | Ford | E-350 Econoline Club Wagon | 351/5.8 V8 | |
| 1979 - 1980 | Ford | E-350 Econoline Club Wagon | 302/5 V8 | |
| 1969 - 1974 | Ford | E-200 Econoline | 302/5 V8 | |
| 1968 - 1970 | Ford | Fairlane | 302/5 V8 | |
| 1964 | Ford | Falcon | 260/4.3 V8 | |
| 1964 - 1968 | Ford | Falcon | 289/4.7 V8 | |
| 1966 - 1968 | Ford | Bronco | 289/4.7 V8 | |
| 1964 | Ford | Country Sedan | 260/4.3 V8 | |
| 1964 - 1967 | Ford | Country Sedan | 289/4.7 V8 | |
| 1968 - 1972 | Ford | Country Sedan | 302/5 V8 | |
| 1969 - 1974 | Ford | Country Sedan | 351/5.8 V8 | |
| 1964 | Ford | Country Squire | 260/4.3 V8 | |
| 1964 - 1967 | Ford | Country Squire | 289/4.7 V8 | |
| 1968 - 1972 | Ford | Country Squire | 302/5 V8 | |
| 1969 - 1974 | Ford | Country Squire | 351/5.8 V8 | |
| 1968 - 1972 | Ford | Custom 500 | 302/5 V8 | |
| 1969 - 1977 | Ford | Custom 500 | 351/5.8 V8 | |
| 1969 - 1983 | Ford | E-100 Econoline | 302/5 V8 | |
| 1969 - 1974 | Ford | E-300 Econoline | 302/5 V8 | |
| 1963 - 1967 | Ford | Fairlane | 289/4.7 V8 | |
| 1964 | Ford | Fairlane | 260/4.3 V8 | |
| 1969 | Ford | Fairlane | 351/5.8 V8 | |
| 1964 - 1967 | Mercury | Caliente | 289/4.7 V8 | |
| 1971 | Mercury | Colony Park | 351/5.8 V8 | |
| 1968 | Mercury | Cougar | 289/4.7 V8 | |
| 1969 - 1979 | Mercury | Cougar | 351/5.8 V8 | |
| 1964 - 1967 | Mercury | Comet | 289/4.7 V8 | |
| 1964 - 1967 | Mercury | Cyclone | 289/4.7 V8 | |
| 1967 | Mercury | Commuter | 289/4.7 V8 | |
| 1964 | Mercury | Cyclone | 260/4.3 V8 | |
| 1968 - 1970 | Mercury | Cyclone | 302/5 V8 | |
| 1969 | Mercury | Cyclone | 351/5.8 V8 | |
| 1968 - 1974 | Mercury | Montego | 302/5 V8 | |
| 1968 - 1974 | Ford | Torino | 302/5 V8 | |
| 1969 - 1976 | Ford | Torino | 351/5.8 V8 | |
| 1964 | Mercury | Caliente | 260/4.3 V8 | |
| 1964 | Mercury | Comet | 260/4.3 V8 | |
| 1969 | Mercury | Comet | 351/5.8 V8 | |
| 1969 | Mercury | Comet | 390/6.4 V8 | |
| 1981 - 1992 | Ford | Bronco | 351/5.8 V8 | |
| 1975 - 1977 | Ford | Bronco | ||
| 1969 - 1984 | Ford | LTD | 351/5.8 V8 | |
| 1968 - 1986 | Ford | LTD | 302/5 V8 | |
| 1987 - 1989 | Ford | Country Squire | ||
| 1975 - 1983 | Ford | E-100 Econoline | 351/5.8 V8 | |
| 1975 - 1983 | Ford | E-100 Econoline Club Wagon | 351/5.8 V8 | |
| 1979 - 1983 | Ford | E-100 Econoline Club Wagon | 302/5 V8 | |
| 1975 - 1992 | Ford | E-150 Econoline | 351/5.8 V8 | |
| 1975 - 1989 | Ford | E-150 Econoline | 302/5 V8 | |
| 1975 - 1989 | Ford | F-150 | 302/5 V8 | |
| 1981 - 1992 | Ford | F-150 | 351/5.8 V8 | |
| 1981 - 1992 | Ford | F-250 | 351/5.8 V8 | |
| 1981 - 1992 | Ford | F-350 | 351/5.8 V8 | |
| 1978 - 1979 | Ford | Fairmont | 302/5 V8 | |
| 1972 - 1976 | Ford | Gran Torino | 351/5.8 V8 | |
| 1975 - 1980 | Ford | Granada | 302/5 V8 | |
| 1975 - 1977 | Ford | Granada | 351/5.8 V8 | |
| 1977 - 1979 | Ford | LTD II | 302/5 V8 | |
| 1977 - 1979 | Ford | LTD II | 351/5.8 V8 | |
| 1971 - 1977 | Ford | Maverick | 302/5 V8 | |
| 1964 | Ford | Ranchero | 260/4.3 V8 | |
| 1968 - 1979 | Ford | Ranchero | 302/5 V8 | |
| 1969 - 1979 | Ford | Ranchero | 351/5.8 V8 | |
| 1964 | Ford | Ranch Wagon | 260/4.3 V8 | |
| 1964 - 1967 | Ford | Ranch Wagon | 289/4.7 V8 | |
| 1968 - 1972 | Ford | Ranch Wagon | 302/5 V8 | |
| 1969 - 1974 | Ford | Ranch Wagon | 351/5.8 V8 | |
| 1964 | Ford | Sprint | 260/4.3 V8 | |
| 1965 - 1967 | Ford | Ranchero | 289/4.7 V8 | |
| 1975 - 1992 | Ford | E-250 Econoline | 351/5.8 V8 | |
| 1975 - 1989 | Ford | E-250 Econoline | 302/5 V8 | |
| 1975 - 1991 | Ford | E-250 Econoline Club Wagon | 351/5.8 V8 | |
| 1979 - 1980 | Ford | E-250 Econoline Club Wagon | 302/5 V8 | |
| 1975 - 1982 | Ford | E-350 Econoline | 302/5 V8 | |
| 1975 - 1992 | Ford | E-350 Econoline | 351/5.8 V8 | |
| 1968 - 1970 | Ford | Falcon | 302/5 V8 | |
| 1965 | Ford | Falcon Sedan Delivery | 289/4.7 V8 | |
| 1964 - 1967 | Ford | Galaxie | 289/4.7 V8 | |
| 1969 - 1974 | Ford | Galaxie 500 | 351/5.8 V8 | |
| 1968 - 1972 | Ford | Galaxie 500 | 302/5 V8 | |
| 1964 | Ford | Falcon Sedan Delivery | 260/4.3 V8 | |
| 1972 - 1974 | Ford | Gran Torino | 302/5 V8 | |
| 1964 | Ford | Galaxie | 260/4.3 V8 | |
| 1965 - 1967 | Ford | LTD | 289/4.7 V8 | |
| 1964 | Ford | Mustang | 260/4.3 V8 | |
| 1964 - 1968 | Ford | Mustang | 289/4.7 V8 | |
| 1969 - 1970 | Ford | Mustang | 351/5.8 V8 | |
| 1979 - 1989 | Ford | E-150 Econoline Club Wagon | 302/5 V8 | |
| 1975 - 1992 | Ford | E-150 Econoline Club Wagon | 351/5.8 V8 | |
| 1975 - 1978 | Ford | Mustang II | 302/5 V8 | |
| 1977 - 1979 | Ford | Thunderbird | 351/5.8 V8 | |
| 1977 - 1988 | Ford | Thunderbird | 302/5 V8 | |
| 1980 - 1985 | Lincoln | Continental | 302/5 V8 | |
| 1983 - 1987 | Lincoln | Continental | ||
| 1980 | Lincoln | Mark VI | 302/5 V8 | |
| 1984 - 1985 | Lincoln | Mark VII | 302/5 V8 | |
| 1986 - 1989 | Lincoln | Mark VII | ||
| 1980 | Lincoln | Continental | 351/5.8 V8 | |
| 1980 | Lincoln | Mark VI | 351/5.8 V8 | |
| 1981 - 1983 | Lincoln | Mark VI | ||
| 1977 | Lincoln | Versailles | 351/5.8 V8 |
Specs:
| Application | Small Block Ford - Windsor |
|---|---|
| Brand | Mr. Gasket |
| Emission Code | 5 |
| Engine | Ford Small Block Windsor |
| 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:
- 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
4.9 ★★★★★
Based on 1290 reviews
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Product Reviews
★★★★★ 5
They’re fantastic!!!!
Size: X-Large, Color: Multicoloured E-(5-pack)
My clothing size is 16/18 and XL. Even though Amazon suggested a size XXL, I ordered my normal XL and they fit perfectly.
The fabric for this style is 92% bamboo viscose and is amazingly soft and almost silky feeling. I had ordered a different boy short in this brand but they were 80% bamboo viscose and the fabric was significantly heavier. I returned those and ordered these.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
★★★★★ 5
Comfortable and cool. Does not ride up.
Color: 01-multicolour (4-pack), Size: Medium
Extremely comfortable. Stays cool. Ample coverage. Quality material. They do not creep up. I ordered a medium which I generally take a size small. I have reordered and will reorder again to add more colors to my collection.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
★★★★★ 5
Great Value for Cool Thigh Protection
Color: 02-multicolour (4-pack), Size: XX-Large
For the price, I'm not sure there are better women's boxer shortlettes anywhere. I've tried more expensive brands, and for quality and cooling, these are right up there. I have other bamboo viscose undies that still get gross when I get sweaty in the summer, but these, with the large mesh panel, really help wick away a lot of that moisture, keeping you feeling dryer and cooler. I find that the leg openings are comfortable and don't roll up! and the waist band doesn't dig, nor does it roll down. These do not provide any compression, and I wasn't looking for any. I just wanted some cooling, thigh protecting women's boxers that wouldn't break the bank. These are them! Bonus- I've washed them and put them in the dryer (following their instructions), and they haven't shrunk; they look about the same and are nice and soft.
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Reviewed in the United States on July 28, 2025
★★★★★ 4
Great for the entire family but expensive
So far so good. The brand of boxers we had been buying changed their style and construction so we needed to find an alternative. These have held up well so far to multiple weeks of frequent washing and wearing from the entire family. We did size up from the usual 6/M we normally buy and ordered large to prevent the legs from rolling up which worked out great. Our daughter likes the length and how soft the fabric is for wearing under skirts and gym shorts and liners stay put without moving or leaking as another reviewer mentioned. Our son says they are comfortable and fit well being just supportive enough without being constrictive. We all agree that there seems to be not enough fabric in the back as they tend to be much tighter across the backside than the front and that also causes the waist band to ride lower in the back than the front. These have better seam placement than some brands we tried with no seam across the lady bits and no seam down the middle of the back side so they are more much comfortable but the cost is also much higher and that is why we're only giving it 4 stars. These will stay in the rotation until we find something cheaper that both us and the kids like.
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Reviewed in the United States on January 24, 2026
★★★★★ 5
Pregnant lady review! Soft, comfortable, cool.
Color: 03-multicolour (4-pack), Size: Large
So soft, comfortable and cool. I'm pregnant and I've gained weight in my legs. I love wearing dresses but my thighs were rubbing together too much. These are perfect to wear under dresses. I also wear them under my bibs at work and it keeps me from getting overheated but I don't have to worry about whether or not my underwear show since they just look like shorts. I wish these came in maternity. I just keep them below my belly. I'll be buying more for sure.
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Reviewed in the United States on April 8, 2026