SKU: 55299296072

Mr. Gasket Ultra-Seal Head Gasket - 5780G

Sale price$71.27 Regular price$79.19
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

Promo Codes Available:

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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4.7 ★★★★★
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Verified Purchase
Becca Silvernale
Waukegan, US
★★★★★ 5
Sun Bum Cool Down After Sun Lotion
Size: 8 Ounce (Pack of 1), Style: Cool Down Lotion
I would give this more stars if I could! As someone who spends as much time as possible soaking up the sun during the summer, I’ve found a true gem in Sun Bum’s Cool Down After Sun Lotion. This product has become my go-to for post-sun care, and it’s easy to see why—it’s like gold for sun-exposed skin! With its fantastic tropical scent, skin-loving formula, and high ratings on the Yuka app for its all-natural ingredients, this lotion is a standout. Here’s a detailed look at why I highly recommend it for anyone who loves summer adventures. Ingredients and Yuka Rating One of the standout features of Sun Bum’s Cool Down After Sun Lotion is its commitment to clean, natural ingredients, which has earned it excellent reviews on the Yuka app. According to the product description, it’s formulated with soothing aloe vera, vitamin E, and coconut oil, all of which work together to hydrate and nourish sun-exposed skin. These ingredients are free from harmful chemicals like parabens, sulfates, and dyes, making it a safe choice for those prioritizing non-toxic skincare. The Yuka app, known for analyzing product safety, rates this lotion highly for its clean, natural composition, which aligns perfectly with my preference for products that are good for both my skin and the environment. This clean formula gives me peace of mind, knowing I’m not applying anything harsh after a long day in the sun. Scent and Sensory Experience The scent of this lotion is nothing short of phenomenal—it truly smells like summer in a bottle! The tropical, coconut-adjacent fragrance is light and refreshing, evoking the feeling of a beach vacation. Unlike some overpowering or artificial-smelling products, Sun Bum’s scent is gentle yet nostalgic, making the application process a delight. It’s not just about function; this lotion elevates the entire post-sun care routine with its inviting aroma, which lingers subtly on the skin without being overwhelming. Performance and Skin Benefits When it comes to performance, Sun Bum Cool Down After Sun Lotion delivers exceptional results. After hours of playing in the sun—whether swimming, hiking, or lounging on the beach—my skin often feels dry, tight, or slightly irritated. This lotion instantly soothes and cools, providing immediate relief. The lightweight, non-greasy formula absorbs quickly, leaving no sticky residue, which is a huge plus compared to some heavier after-sun products I’ve tried. My skin drinks it up, feeling soft, hydrated, and revitalized after each use. The inclusion of aloe vera helps calm any redness or mild sunburn, while coconut oil and vitamin E lock in moisture, preventing peeling and keeping my skin smooth. I’ve noticed it helps maintain my summer glow without the flakiness that can come from sun exposure. Texture and Application The texture of this lotion is a perfect balance—not too thick like a heavy cream, but not runny like some gels. It has a smooth, serum-like consistency that glides onto the skin effortlessly and absorbs in seconds. I appreciate how a little goes a long way, making the 8-ounce bottle last through many applications. For an extra cooling effect, I sometimes store it in the fridge, which feels incredibly refreshing on warm, sun-kissed skin. The lotion applies evenly, and I’ve used it on both my body and face without any issues, even on my sensitive skin. Durability and Practicality I’ve been using this lotion consistently throughout the summer, and it’s held up beautifully as part of my daily post-sun routine. The bottle is sturdy and travel-friendly, fitting easily into my beach bag or backpack. While Sun Bum notes that shipping to certain areas like Hawaii or Alaska may be restricted due to alcohol content, I’ve had no issues purchasing it locally or online for mainland use. The formula remains effective even after multiple uses in a single day, and I’ve never experienced any separation or change in texture, which speaks to its quality. Comparison to Other After-Sun Products Compared to other after-sun lotions I’ve tried, Sun Bum’s Cool Down stands out for its lightweight feel and natural ingredients. Many gels can feel tacky or sticky, and some creams are too heavy for summer use, but this lotion strikes the perfect balance. Its Yuka-approved clean formula also sets it apart from competitors that may contain questionable chemicals. While some after-sun products focus solely on cooling, Sun Bum’s inclusion of nourishing ingredients like vitamin E and coconut oil makes it a more comprehensive solution for skin recovery. Pros Clean Ingredients: High Yuka rating for all-natural, non-toxic formula with aloe vera, vitamin E, and coconut oil. Fantastic Scent: Tropical, coconut-like fragrance that smells like summer without being overpowering. Lightweight and Non-Greasy: Absorbs quickly, leaving skin soft and hydrated without stickiness. Soothing and Hydrating: Calms redness, prevents peeling, and restores moisture after sun exposure. Versatile: Suitable for face and body, great for sensitive skin, and effective for mild sunburns. Travel-Friendly: Sturdy bottle perfect for beach bags or travel. Cons Price Point: Slightly more expensive than drugstore alternatives, but worth it for the quality and clean ingredients. Conclusion Sun Bum Cool Down After Sun Lotion is a must-have for anyone who loves spending time in the sun. Its clean, natural ingredients, delightful tropical scent, and lightweight, hydrating formula make it a standout in post-sun care. My skin absolutely loves it, and the high Yuka rating gives me confidence that I’m using a product that’s good for me and the environment. Whether you’re recovering from a beach day or just need to soothe sun-exposed skin, this lotion delivers on every front. It’s become an essential part of my summer routine, and I highly recommend it to anyone looking for a reliable, skin-loving after-sun product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 2, 2025
J
Verified Purchase
Julia Porter
Carnegie, US
★★★★★ 5
great!
Size: 8 Ounce (Pack of 1), Style: Cool Down Lotion
such an amazing lotion, it makes me feel great after being in the sun for a while, and i love the smell!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
K
Verified Purchase
kelsey
Lake Worth, US
★★★★★ 5
Get it
Size: 8 Ounce (Pack of 1), Style: Cool Down Lotion
Love this stuff. Best recovery from the sun I have found. I am very fair and even with sunscreen sometimes still get a little burnt. My friends who get tan and had a long day in the sun are quick to grab this from me and use it at the end of the day. I highly recommend this for anyone. It’s cooling and hydrating. Repair or maintenance for your skin, it’s great for both options. Lightweight and easy to apply. Hands down, worth it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026
C
Verified Purchase
Clark Family
Lowell, US
★★★★★ 4
Smells Great and Works Well
Size: 3 Ounce (Pack of 1), Style: Cool Down Lotion
Smells great and goes on really smoothly. Skin felt soft and refreshed after use. It is pretty "liquidy" and can come out of the bottle a little on the quick and messy side, but nothing too terrible.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2025
J
Verified Purchase
jon
New York, US
★★★★★ 5
Works VERY well, NOT sticky, smells AMAZING!
Size: 16 Ounce (Pack of 1), Style: Cool Down Lotion
So... I had sunburn... very painful across my whole back, top of my forehead & the back of my arms. Stupid, I know... USE SUNBLOCK PEOPLE! However, if u don't because u want "a little color" and end up like me, then I highly recommend this after-sun product. It smells amazing and doesn't leave the sticky residue like green Aloe Vera. After rubbing it in, my hands feel super soft. It gives my skin the hydration it needs so I won't peel (and lose the tan I was desperate for). My personal hack... After the sensitivity of the burn calms, I like keeping a bottle in the fridge for that extra cooling sensation. I love this stuff! Sun Bum is a great product... u should definitely try the sunblock tho, it worked where I applied it! I didn't take a pic for obvious reasons, but when u rub it in, it will dry clear.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 14, 2025

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