SKU: 55299296072

Mr. Gasket Ultra-Seal Head Gasket - 5780G

$71.27 $79.19
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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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:
  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: 55299296072

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Aubrey Roths
Bozeman, US
★★★★★ 5
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Color: Black, Size: Standard
I LOVE THESE PILLOW CASES. I love the zipper so it stays on the pillow, how it stays cool, and the fabric. Worth it 100%
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Reviewed in the United States on June 5, 2026
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Haley
Port Orchard, US
★★★★★ 5
BUY IT!!
Color: Light Gray, Size: Standard
Love the material super soft and smooth like silk. It’s also nice and cold for when I got to bed! Definitely recommend
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Reviewed in the United States on June 3, 2026
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Gómez
Draper, US
★★★★★ 5
Actually feels cool at night
Color: Light Gray, Size: Standard
I’ve been using these for several days now and I did notice a difference. I tend to get hot while sleeping, so I was curious if they would actually help, and they do feel cool when you lay on them. I also like that they’re soft and comfortable, not that weird texture some “cooling” products have. So far, I’ve been really happy with them.
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Reviewed in the United States on May 23, 2026
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Larrisa D
Whiting, US
★★★★★ 5
🧊 PERFECT for hot sleepers!! BUY THEM 🤩
Color: 01 - Light Grey, Color: 01 - Light Grey
🧊🧊 baby 🤩😍 I am OBSESSED!! Pillow whore here 🤭 and I very rarely find anything worth writing a 5 star review for but let me just save you the time of searching anymore for the PERFECT pillow cases for hot sleepers!!! BUY THEM! 😍 I promise you will NOT be disappointed!! I have spent so much $ on pillow cases over the years, trying to find the perfect cooling ones... These are it!! 🤭🥳
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Reviewed in the United States on May 8, 2026
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Anaruth Suazo
Grantham, US
★★★★★ 5
It fit perfect
Color: 01 - Light Grey
The pillow case fit correctly. It's a great quality comfortable and very soft. Will definitely buy more.
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Reviewed in the United States on March 29, 2026

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