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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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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:
- 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
4.8 ★★★★★
Based on 1859 reviews
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Product Reviews
★★★★★ 5
Soft and fluffy
Size: King, Color: White
Very fluffy! I’ve been searching for one like this for YEARS that can replicate that fluffy hotel style feeling. Great quality, it’s a cool white color. Very warm. It has the little bands on the edges for your duvet cover to attach to. Perfect fit.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
I have purchased this for everyone!!!
Size: Twin, Color: White
I cannot express how perfect this comforter is. I have purchased one for every room- even the dog! It’s fluffy but not too hot. Does not attract lint, washes perfectly everytime- no pilling. The price for the quality is unmatched. I recommend this 100%
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Pleasant surprise, warm and fluffy
Size: Queen, Color: White, Size: Queen, Color: White
For the past couple years my girlfriend and I have gone through a few cheap comforters. We never really gave much thought to them and subsequently they never impressed us. I grew up using a down comforter and have very fond memories of that blanket. The comfort and warmth was something that I hadn't experienced since I had moved out and gotten my own comforter. So this has been in the back of my mind ever since but I wasn't sure if I wanted to dish out that kind of money for a blanket and also deal with the hassle of dry cleaning it. Also by purchasing a down blanket we'd be supporting an industry in which the down feathers from geese are taken from them and that's not something we personally wanted to support. So for all those reason we started looking into down alternative. The first thing that made me question these products was the price, they seem TOO cheap. I was raised with the mantra, "you get what you pay for" and with that in mind I was quite weary when looking at these products. I always make sure to compare many different products and read through the reviews, both good and bad before I buy something. I decided to take a chance on this particular one as it seemed to be the highest rated by customers and I liked what I saw in the images provided by said customer. If anything, the price was low enough that I wasn't too worried if I didn't end up liking it.
Now I wasn't actually home when it arrived but my girlfriend confirmed that it was very flat right out of the package, as was expected. By the time I got home 2-3 hours later it appeared to be fully fluffed. The material it is made of is very soft and comfortable on your skin and I was pleasantly surprised with the thickness/fluffyness. It is a fairly light blanket, similar to a down blanket I suppose in that regard. So far I have only slept with it one night but it did a great job of keeping me warm. I live in Wisconsin and the temperatures this week have been ranging from -10 over night to single digits during the day. I had been using 2 blankets prior to getting this one and sometimes I would still wake up in the night feeling cold. But so far with this blanket alone I have stayed warm which again was a pleasant surprise.
I do have to say that this doesn't remind me a whole lot of my down blanket and I think that may have to do with the material used in the shell. And you're not going to be 100% able to recreate a down blanket not using down. So if you are looking for something that feels exactly like down and won't be satisfied otherwise, this might not be for you. However, if you are looking for a good quality, warm, fluffy and affordable priced blanket that will give you that "cloud" like feeling, I think you would be really happy with this blanket.
Again this is my opinion from using it for one night, I can not comment on the durability or longevity of this blanket, but I am hoping that it holds up over time.
**also our cats immediately fell in love with it, it is their new favorite spot to nap.
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Reviewed in the United States on December 29, 2017
★★★★★ 5
High quality duvet!
Size: Twin XL, Color: White, Size: Twin XL, Color: White
Extremely comfortable, soft, and thick duvet! It is also very light despite its thickness, and it makes all my comforters look super fluffy. It keeps me warm without making me sweat. It’s easy to wash, high quality, and it has 3 loops on all 4 sides of the comforter. You could also use this duvet by itself if you wanted to since it is so comfortable and looks like a white comforter on its own. Absolutely love this duvet and do recommend!
(I will add another photo of the duvet by itself when I take the duvet cover off to wash it)
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Reviewed in the United States on April 18, 2026
★★★★★ 5
Super impressed for the price!
Size: Queen, Color: White
I didn’t have super high expectations ordering this, but it ended up being way better than I thought. It’s really soft and has that fluffy look without feeling super heavy. I was worried it would feel cheap or flat, but it actually holds its shape really well.
I’ve been using it for a bit now and it still looks good on my bed, not lumpy or uneven. It’s warm enough but not too hot, so I’ve been able to use it comfortably without waking up overheating.
I’ve also washed it and it didn’t fall apart or lose its fluff, which was a big thing for me. For the price, it honestly feels like something more expensive.
Only thing I’d say is if you like a super thick/heavy comforter, this one is more on the lightweight side, but I personally prefer that. Overall really happy with it and would buy again.
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Reviewed in the United States on April 7, 2026