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USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Mr. Gasket Ultra-Seal Header Gaskets - 5945Overview: 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 |
|---|---|---|---|---|
| 1964 - 1977 | Oldsmobile | 98 | ||
| 1978 - 1980 | Oldsmobile | 98 | 350/5.7 V8 | |
| 1978 - 1979 | Oldsmobile | 98 | 403/6.6 V8 | |
| 1973 - 1977 | Oldsmobile | Omega | 350/5.7 V8 | |
| 1972 - 1980 | Oldsmobile | Delta 88 | 350/5.7 V8 | |
| 1972 - 1973 | Oldsmobile | Delta 88 | 455/7.5 V8 | |
| 1966 - 1978 | Oldsmobile | Toronado | ||
| 1964 - 1975 | Oldsmobile | Vista Cruiser | ||
| 1968 - 1973 | Oldsmobile | Vista Cruiser | 350/5.7 V8 | |
| 1965 - 1976 | Oldsmobile | Delta 88 | ||
| 1968 | Oldsmobile | Vista Cruiser | 400/6.6 V8 | |
| 1964 - 1966 | Oldsmobile | Dynamic 88 | ||
| 1964 - 1967 | Oldsmobile | F85 | 330/5.4 V8 | |
| 1972 - 1973 | Oldsmobile | Vista Cruiser | 455/7.5 V8 | |
| 1968 - 1972 | Oldsmobile | F85 | 350/5.7 V8 | |
| 1970 - 1972 | Oldsmobile | F85 | 455/7.5 V8 | |
| 1964 - 1966 | Oldsmobile | Jetstar 88 | ||
| 1964 - 1966 | Oldsmobile | Starfire | ||
| 1964 | Oldsmobile | Super 88 | ||
| 1967 - 1968 | Oldsmobile | Cutlass | 400/6.6 V8 | |
| 1968 - 1980 | Oldsmobile | Cutlass | 350/5.7 V8 | |
| 1970 - 1976 | Oldsmobile | Cutlass | 455/7.5 V8 | |
| 1965 - 1966 | Oldsmobile | F85 | 400/6.6 V8 | |
| 1964 - 1974 | Oldsmobile | Cutlass | ||
| 1977 - 1979 | Oldsmobile | Delta 88 | 403/6.6 V8 | |
| 1979 - 1980 | Oldsmobile | Toronado | 350/5.7 V8 | |
| 1977 - 1980 | Oldsmobile | Custom Cruiser | 350/5.7 V8 | |
| 1965 - 1971 | Oldsmobile | 442 | ||
| 1971 - 1976 | Oldsmobile | Custom Cruiser | ||
| 1971 - 1974 | Oldsmobile | Cutlass Supreme | ||
| 1972 - 1980 | Oldsmobile | Cutlass Supreme | 350/5.7 V8 | |
| 1972 - 1976 | Oldsmobile | Cutlass Supreme | 455/7.5 V8 | |
| 1967 | Oldsmobile | Delmont 88 | ||
| 1968 | Oldsmobile | Delmont 88 | 350/5.7 V8 | |
| 1967 | Oldsmobile | Cutlass | 330/5.4 V8 | |
| 1977 - 1979 | Oldsmobile | Custom Cruiser | 403/6.6 V8 | |
| 1977 | Oldsmobile | Cutlass | 403/6.6 V8 | |
| 1975 - 1979 | Oldsmobile | Cutlass Salon | 350/5.7 V8 | |
| 1976 | Oldsmobile | Cutlass Tiara | 455/7.5 V8 | |
| 1975 - 1976 | Oldsmobile | Cutlass Salon | 455/7.5 V8 | |
| 1979 - 1980 | Oldsmobile | Cutlass Calais | 350/5.7 V8 | |
| 1977 | Oldsmobile | Cutlass Salon | 403/6.6 V8 | |
| 1976 | Oldsmobile | Cutlass Tiara | 350/5.7 V8 | |
| 1980 | Oldsmobile | Cutlass Cruiser | 350/5.7 V8 | |
| 1977 | Oldsmobile | Cutlass Supreme | 403/6.6 V8 | |
| 1964 - 1965 | Oldsmobile | Jetstar I |
Specs:
| Brand | Mr. Gasket |
|---|---|
| Collector Gaskets Included | No |
| Emission Code | 5 |
| Engine | Oldsmobile V8 |
| Gasket Line | Ultra-Seal |
| Material | Ultra-seal |
| Port Shape | Rectangle |
| Port Size | 1.55" x 1.92" |
| Product Type | Header Gaskets |
| Thickness | .062" |
| 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:
- 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
4.2 ★★★★★
Based on 2185 reviews
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Product Reviews
★★★★★ 5
Clean, comfortable staple for casual business wear
Color: Black, Size: Medium
Every wardrobe needs a sharp black button-down, and this JEMLDL Oxford shirt hits the nail on the head for versatile styling. The fabric has a nice, substantial weight to it—it's classic oxford cotton that feels durable but remains soft against the skin.
The fit is tailored nicely without being a restrictive slim-fit, and the integrated back pleat gives your shoulders plenty of room to move without the shirt pulling untucked. It features a traditional chest pocket and a crisp button-down collar that holds its shape under a blazer or worn casually open over a white tee. It washes up great and doesn't shrink up into a mini-shirt after a cycle in the dryer.
Pros:
Heavy-duty, high-quality oxford cotton weave.
Back pleat offers excellent shoulder mobility for active movement.
Versatile styling that dresses up or down effortlessly.
Cons:
Like all quality cotton oxfords, it requires a quick iron or steam to look crisp.
Fits true to size, but has zero elastane stretch in the fabric.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026
★★★★★ 4
Decent quality for the price
Color: Sky Blue, Size: XX-Large
Fit well
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 5
Nice Quality, Great Fit, and Very Comfortable!
Color: White, Size: XX-Large, Color: White, Size: XX-Large
I ordered this shirt for my husband, and he is very pleased with it. He says it is a really nice shirt that fits true to size and looks sharp. The fabric has a great, quality weight to it that gives it a structured appearance, making it versatile enough to easily transition from a casual day out to a more business casual setting at work.
The biggest selling point for him is how comfortable it is. He mentioned that it feels great against the skin and offers excellent mobility throughout the day, thanks in large part to the classic back pleat design. The chest pocket is a nice, practical addition, and the classic Oxford style looks great right out of the dryer. It is a well made, reliable closet staple that he is already getting a lot of use out of, and we highly recommend it!
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Reviewed in the United States on May 24, 2026
★★★★★ 5
An excellent button down that fits well, looks great, and feels as good as it looks.
Color: Navy Blue, Size: X-Large
From the office to dinner and the to church on Sunday, this is a perfect shirt for any situation.
It even looks great worn open over a t-shirt with a pair of jeans and boots or tennis shoes. Who said a nice button down needs slacks and dress shoes?
It is a cotton?polyester blend so it is lighter weight than a standard cotton oxford. It also isn't as crisp or harsh and it doesn't wrinkle nearly as bad either.
The sleeves are a standard long sleeve but they cuff well. The shirt looks great when cuffed too so that helps when it's hot and humid.
There isn't really any stretch to this shirt but that isn't a problem becuase it is perfectly true to size. Just follow the size chart and fit is near guaranteed.
For only 20 bucks, basically, (22 to be exact), this is a great choice for any situation when a nicer than completely casual look is desired.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
★★★★★ 5
Husband approved
Color: Khaki, Size: X-Large
I got this one for my husband too, and it is a really nice shirt. It has that classic Oxford look that works for a lot of situations, whether he is wearing it for work, dinner, church, or just trying to look a little more put together.
The fabric feels comfortable but still has enough structure that it does not look sloppy. It is not stiff or scratchy, and the fit looks good on him without being too tight. I also like that it holds its shape well and does not seem like it will need a ton of fussing to look decent after washing.
The style is simple in the best way. It pairs easily with jeans, chinos, or dress pants, so it is one of those shirts that can go a bunch of different directions depending on what he wears it with.
Another solid husband shirt. Comfortable, clean-looking, easy to style, and definitely something he will actually wear.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
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