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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Mr. Gasket Ultra-Seal Head Gasket - 5780GOverview: Mr. Gasket Ultra Seal Head Gaskets are a five layer (graphite core perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads,
Overview:
Mr. Gasket Ultra-Seal Head Gaskets are a five layer (graphite core/perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn-out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads, they will not brinell (indent) aluminum cylinder heads. Suitable for high performance street, drag race and oval track use. Sold individually.
Gasket Bore 3.870 inch, Compressed thickness 0.028 inch
Features:
- Five layer (graphite core/perforated steel outer layers) composite construction
- Graphite core has excellent thermo-conductivity-transfers heat away from hot spots in head preventing gasket burn-out
- Provides excellent stability, compressibility and high temperature endurance
- Coated with high temperature silicone to ensure sealing of engine fluids
- Will not brinell (indent) aluminum cylinder heads
- For high performance street, drag race and oval track use
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1976 - 1983 | Chevrolet | Malibu | 305/5 V8 | |
| 1976 - 1988 | Chevrolet | Monte Carlo | 305/5 V8 | |
| 1983 - 1986 | Pontiac | Bonneville | 305/5 V8 | |
| 1977 - 1992 | Pontiac | Firebird | 305/5 V8 | |
| 1976 - 1992 | Chevrolet | Camaro | 305/5 V8 | |
| 1977 - 1993 | Chevrolet | Caprice | 305/5 V8 | |
| 1980 | Chevrolet | Corvette | 305/5 V8 | |
| 1977 - 1978 | GMC | K25 | 305/5 V8 | |
| 1977 - 1978 | GMC | K25 Suburban | 305/5 V8 | |
| 1988 - 1995 | GMC | K2500 | 305/5 V8 | |
| 1987 | GMC | R1500 | 305/5 V8 | |
| 1987 | GMC | R1500 Suburban | 305/5 V8 | |
| 1987 | GMC | R2500 | 305/5 V8 | |
| 1976 - 1977 | GMC | Sprint | 305/5 V8 | |
| 1987 | GMC | V1500 | 305/5 V8 | |
| 1978 - 1980 | Oldsmobile | Cutlass | 305/5 V8 | |
| 1978 - 1980 | Oldsmobile | Cutlass Salon | 305/5 V8 | |
| 1978 - 1980 | Oldsmobile | Cutlass Calais | 305/5 V8 | |
| 1980 - 1982 | Oldsmobile | Cutlass Cruiser | 305/5 V8 | |
| 1978 - 1980 | Oldsmobile | Cutlass Supreme | 305/5 V8 | |
| 1977 - 1979 | Oldsmobile | Omega | 305/5 V8 | |
| 1977 - 1979 | Oldsmobile | Starfire | 305/5 V8 | |
| 1979 - 1995 | GMC | G1500 | 305/5 V8 | |
| 1981 - 1995 | GMC | G2500 | 305/5 V8 | |
| 1977 - 1987 | GMC | Jimmy | 305/5 V8 | |
| 1977 - 1978 | GMC | K15 | 305/5 V8 | |
| 1981 - 1995 | GMC | K1500 | 305/5 V8 | |
| 1977 - 1978 | GMC | K15 Suburban | 305/5 V8 | |
| 1979 - 1982 | GMC | K1500 Suburban | 305/5 V8 | |
| 1976 - 1979 | Chevrolet | Monza | 305/5 V8 | |
| 1980 - 1995 | GMC | C2500 | 305/5 V8 | |
| 1978 | GMC | C35 | 305/5 V8 | |
| 1986 | GMC | C3500 | 305/5 V8 | |
| 1978 - 1987 | GMC | Caballero | 305/5 V8 | |
| 1977 - 1978 | GMC | G15 | 305/5 V8 | |
| 1977 - 1995 | Chevrolet | G10 | 305/5 V8 | |
| 1976 - 1979 | Chevrolet | Nova | 305/5 V8 | |
| 1987 | Chevrolet | R10 | 305/5 V8 | |
| 1987 | Chevrolet | R10 Suburban | 305/5 V8 | |
| 1987 - 1988 | Chevrolet | R20 | 305/5 V8 | |
| 1987 | Chevrolet | V10 | 305/5 V8 | |
| 1977 - 1978 | GMC | C15 | 305/5 V8 | |
| 1979 - 1995 | GMC | C1500 | 305/5 V8 | |
| 1977 - 1978 | GMC | C15 Suburban | 305/5 V8 | |
| 1979 - 1986 | GMC | C1500 Suburban | 305/5 V8 | |
| 1977 - 1978 | GMC | C25 | 305/5 V8 | |
| 1976 - 1987 | Chevrolet | El Camino | 305/5 V8 | |
| 1978 - 1980 | Pontiac | Grand Am | 305/5 V8 | |
| 1977 - 1980 | Pontiac | Grand LeMans | 305/5 V8 | |
| 1978 - 1987 | Pontiac | Grand Prix | 305/5 V8 | |
| 1977 - 1980 | Pontiac | LeMans | 305/5 V8 | |
| 1983 - 1986 | Pontiac | Parisienne | 305/5 V8 | |
| 1977 - 1979 | Pontiac | Phoenix | 305/5 V8 | |
| 1977 | Pontiac | Ventura | 305/5 V8 | |
| 1991 | Oldsmobile | Custom Cruiser | ||
| 1992 | Oldsmobile | Custom Cruiser | 305/5 V8 | |
| 1978 - 1979 | Pontiac | Sunbird | 305/5 V8 | |
| 1977 - 1981 | Checker | Marathon | 305/5 V8 | |
| 1980 - 1995 | Chevrolet | G20 | 305/5 V8 | |
| 1978 - 1985 | Chevrolet | G30 | 305/5 V8 | |
| 1977 - 1985 | Chevrolet | Impala | 305/5 V8 | |
| 1977 - 1986 | Chevrolet | K10 | 305/5 V8 | |
| 1981 | Chevrolet | K10 | 350/5.7 V8 | |
| 1977 - 1986 | Chevrolet | K10 Suburban | 305/5 V8 | |
| 1977 - 1986 | Chevrolet | K5 Blazer | 305/5 V8 | |
| 1977 - 1986 | Chevrolet | C10 | 305/5 V8 | |
| 1977 - 1986 | Chevrolet | C10 Suburban | 305/5 V8 | |
| 1988 - 1995 | Chevrolet | K1500 | 305/5 V8 | |
| 1977 - 1985 | Chevrolet | K20 | 305/5 V8 | |
| 1977 - 1986 | Chevrolet | K20 Suburban | 305/5 V8 | |
| 1988 - 1995 | Chevrolet | K2500 | 305/5 V8 | |
| 1976 | Chevrolet | Laguna | 305/5 V8 | |
| 1977 - 1978 | GMC | C25 Suburban | 305/5 V8 | |
| 1982 - 1986 | GMC | C2500 Suburban | 305/5 V8 | |
| 1988 - 1995 | Chevrolet | C1500 | 305/5 V8 | |
| 1977 - 1986 | Chevrolet | C20 | 305/5 V8 | |
| 1977 - 1986 | Chevrolet | C20 Suburban | 305/5 V8 | |
| 1988 - 1995 | Chevrolet | C2500 | 305/5 V8 | |
| 1978 | Chevrolet | C30 | 305/5 V8 | |
| 1977 - 1980 | Buick | Century | 305/5 V8 | |
| 1978 | Buick | LeSabre | 305/5 V8 | |
| 1977 - 1980 | Buick | Regal | 305/5 V8 | |
| 1991 | Buick | Roadmaster | ||
| 1991 | Buick | Commercial Chassis | ||
| 1977 - 1979 | Buick | Skylark | 305/5 V8 | |
| 1991 - 1992 | Cadillac | Brougham | 305/5 V8 | |
| 1987 | Chevrolet | Blazer | 305/5 V8 |
Specs:
| Application | Small Block Chevy |
|---|---|
| Brand | Mr. Gasket |
| Compressed Thickness | .028 inch |
| Compression Ratio | Up to 14:1 |
| Emission Code | 5 |
| Engine | Chevrolet Small Block Gen I |
| Gasket Bore | 3.870 inch |
| Gasket Line | Ultra-Seal |
| Material | Graphite Steel |
| Packaging | Retail |
| Product Type | Head Gasket |
| Quantity Per Pkg. | 1 |
| 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
4.6 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Great Price, Great Hoodie!
Size: X-Large, Color: Red Full Zip
Gave these to kids for Christmas. The price was right and there are so many colors! The fit is true to size and the colors are vibrant. They are on the thin size, but we like them that way. Not to hot, not to cold. The stitching is average but the fabric used makes up for that as these hoodies are sooo soft! Sooo comfortable to wear. We will definitely be ordering more when these wear out for sure. Recommended!
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Reviewed in the United States on January 30, 2026
★★★★★ 4
Great Jacket
Size: Medium, Color: Black Full Zip
Great fleece jacket comfortable and durable. The sizing was a perfect fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 5
Jackets
Size: Small, Color: Safety Green
What a great value! I bought three jackets for my husband for work. He loves them...they're comfortable and lightweight! Covers his upper body and durable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
★★★★★ 5
Comfy and warm for everyday wear
Size: Medium, Color: Navy Full Zip
I bought this Fruit of the Loom Eversoft Fleece Hoodie for my husband and he realy likes how soft it feels on the inside. The fabric is thick enough to keep him warm during his morning walks but it is still breathable so he doesnt get too sweaty while he is moving around. It has that moisture-wicking feature which is great because it stays dry even when it is a bit humid outside.
The fit is just right and the hood stays up good without being too tight around his neck. It is hard to find hoodies that dont pill up after the first wash but this one has held up great so far and still looks brand new. For the price it is a total steal and much better quality than some of the more expensive brands we have tried before. I will definitely be ordering a few more colors for him soon.
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Reviewed in the United States on January 4, 2026
★★★★★ 5
PERFECT!
Size: XX-Large, Color: Khaki Heather Full Zip
Most perfectly soft, warm, wonderful zip up hoodie, EVER! Own three and ordered a couple for family members who had borrowed mine! A must have!
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Reviewed in the United States on May 25, 2026