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Mr. Gasket Ultra-Seal Head Gasket - 5788G

Mr. Gasket Ultra-Seal Head Gasket - 5788G

SKU: 5788G
Regular price $67.60 USD
Regular price Sale price $67.60 USD
Sale Sold out

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 4.230 inch, Compressed thickness 0.038 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

Year Make Model Submodel Engine Size
1977 Buick Century 350/5.7 V8
1977 Buick Century 403/6.6 V8
1974 - 1976 Buick Electra 455/7.5 V8
1977 - 1979 Buick Electra 403/6.6 V8
1977 - 1980 Buick Electra 350/5.7 V8
1972 - 1975 Buick Electra
1972 - 1976 Buick Estate Wagon
1977 - 1980 Buick Estate Wagon 350/5.7 V8
1977 - 1979 Buick Estate Wagon 403/6.6 V8
1972 - 1976 Buick LeSabre 455/7.5 V8
1977 - 1980 Buick LeSabre 350/5.7 V8
1977 - 1978 Buick LeSabre 403/6.6 V8
1968 - 1980 Oldsmobile Cutlass 350/5.7 V8
1970 - 1976 Oldsmobile Cutlass 455/7.5 V8
1957 - 1966 Oldsmobile Starfire
1968 - 1980 Oldsmobile Delta 88 350/5.7 V8
1968 - 1976 Oldsmobile Delta 88 455/7.5 V8
1957 - 1964 Oldsmobile Super 88
1966 - 1978 Oldsmobile Toronado
1958 - 1966 Oldsmobile Dynamic 88
1964 - 1967 Oldsmobile F85 330/5.4 V8
1965 - 1966 Oldsmobile F85 400/6.6 V8
1968 - 1972 Oldsmobile F85 350/5.7 V8
1971 - 1976 Oldsmobile Cutlass Supreme 455/7.5 V8
1968 - 1980 Oldsmobile Cutlass Supreme 350/5.7 V8
1970 - 1972 Oldsmobile F85 455/7.5 V8
1967 Oldsmobile Delmont 88 330/5.4 V8
1968 Oldsmobile Delmont 88 350/5.7 V8
1965 - 1967 Oldsmobile Delta 88
1957 - 1963 Oldsmobile Fiesta
1959 Oldsmobile Fiesta 371/6.1 V8
1964 - 1966 Oldsmobile Jetstar 88
1973 - 1977 Oldsmobile Omega 350/5.7 V8
1977 Buick Regal 350/5.7 V8
1977 - 1980 Buick Riviera 350/5.7 V8
1977 - 1978 Buick Riviera 403/6.6 V8
1972 - 1976 Buick Riviera
1973 - 1974 Chevrolet Laguna 350/5.7 V8
1973 Chevrolet Malibu 350/5.7 V8
1958 - 1976 Oldsmobile 98
1971 - 1976 Oldsmobile Custom Cruiser
1964 Oldsmobile Cutlass
1965 - 1967 Oldsmobile Cutlass 330/5.4 V8
1965 - 1968 Oldsmobile Cutlass 400/6.6 V8
1972 Pontiac Grand Safari 455/7.5 V8
1977 - 1978 Pontiac Grand Safari 403/6.6 V8
1977 Pontiac Grand Safari 350/5.7 V8
1967 Oldsmobile Cutlass Supreme
1964 - 1965 Oldsmobile Jetstar I
1968 - 1975 Oldsmobile Vista Cruiser 350/5.7 V8
1970 - 1975 Oldsmobile Vista Cruiser 455/7.5 V8
1972 Pontiac Bonneville 455/7.5 V8
1972 Pontiac Catalina 455/7.5 V8
1972 - 1974 Chevrolet Nova 350/5.7 V8
1971 - 1973 GMC Sprint 350/5.7 V8
1971 Jeep Wagoneer 350/5.7 V8
1965 - 1971 Oldsmobile 442
1957 Oldsmobile 88
1977 Pontiac Ventura 350/5.7 V8
1972 - 1973 Buick Centurion 455/7.5 V8
1973 - 1974 Buick Century 455/7.5 V8
1973 - 1974 Buick Estate Wagon 455/7.5 V8
1972 Buick GS 350/5.7 V8
1964 - 1967 Oldsmobile Vista Cruiser
1968 - 1969 Oldsmobile Vista Cruiser 400/6.6 V8
1959 Oldsmobile Dynamic 88 371/6.1 V8
1971 - 1972 Buick GS 455
1974 Buick Riviera 455/7.5 V8
1972 - 1974 Chevrolet Bel Air 350/5.7 V8
1972 - 1974 Chevrolet Camaro 350/5.7 V8
1973 Chevrolet Caprice 350/5.7 V8
1973 Chevrolet Chevelle 350/5.7 V8
1972 Chevrolet Corvette 350/5.7 V8
1973 Chevrolet El Camino 350/5.7 V8
1972 - 1974 Chevrolet Impala 350/5.7 V8
1971 - 1972 Chevrolet K20 Suburban 350/5.7 V8
1977 Buick Skylark 350/5.7 V8
1979 Cadillac Eldorado 350/5.7 V8
1976 - 1977 Cadillac Seville
1978 - 1979 Cadillac Seville 350/5.7 V8
1975 Oldsmobile 98 455/7.5 V8
1977 - 1979 Oldsmobile 98 403/6.6 V8
1977 - 1980 Oldsmobile 98 350/5.7 V8
1975 Oldsmobile Custom Cruiser 455/7.5 V8
1977 - 1980 Oldsmobile Custom Cruiser 350/5.7 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
1975 - 1976 Oldsmobile Cutlass Salon 455/7.5 V8
1977 Pontiac Grand Prix 350/5.7 V8
1977 Pontiac Grand Prix 403/6.6 V8
1977 Pontiac LeMans 403/6.6 V8
1977 Pontiac LeMans 350/5.7 V8
1977 Pontiac Phoenix 350/5.7 V8
1977 Oldsmobile Cutlass Salon 403/6.6 V8
1976 Oldsmobile Cutlass Tiara 350/5.7 V8
1976 Oldsmobile Cutlass Tiara 455/7.5 V8
1979 - 1980 Oldsmobile Cutlass Calais 350/5.7 V8
1980 Oldsmobile Cutlass Cruiser 350/5.7 V8
1977 Oldsmobile Cutlass Supreme 403/6.6 V8
1977 - 1979 Oldsmobile Delta 88 403/6.6 V8
1979 - 1980 Oldsmobile Toronado 350/5.7 V8
1977 - 1979 Pontiac Bonneville 403/6.6 V8
1977 - 1980 Pontiac Bonneville 350/5.7 V8
1977 - 1980 Pontiac Catalina 350/5.7 V8
1977 - 1979 Pontiac Catalina 403/6.6 V8
1959 Oldsmobile Super 88 371/6.1 V8
1977 - 1979 Pontiac Firebird 403/6.6 V8
1977 Pontiac Firebird 350/5.7 V8
1977 Pontiac Grand LeMans 350/5.7 V8
1977 Pontiac Grand LeMans 403/6.6 V8
1959 Oldsmobile 98 371/6.1 V8
1967 Oldsmobile Delmont 88 425/7 V8

Application Oldsmobile
Brand Mr. Gasket
Compressed Thickness .038 inch
Compression Ratio Up to 14:1
Emission Code 5
Engine Oldsmobile V8
Gasket Bore 4.230 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
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Policies and FAQs

Return Policy

We accept returns on products within 30 days of delivery. Return shipping is the responsibility of the buyer unless we, the seller, are at fault.

Fault reasons include but are not limited to:
  • Buyer was shipped the wrong product
  • Buyer was shipped a damaged product
  • The product page had incorrect fitment and the part does not fit the Buyer's vehicle
 
The Buyer will not be refunded outbound shipping unless the Seller (Modern Day Muffler & Brake) is at fault.
 
In cases where the Buyer purchases and ships the return please note that if the Shipper (ex. USPS, FedEx, UPS, etc.) loses the return we will not be able to offer a refund as the Buyer must contact the Shipper and make a claim.
 
All products must be returned in original condition, meaning that the product must not be damaged, installed, or missing pieces/parts. If the product is not in original condition a deduction will be issued of up to 50% of the purchase price of the product.
 
Opened boxes, plastic bags, and other packaging are not considered damage (excluding single use items such as, but not limited to, liquids, software, and other components that cannot be reused/resealed).
 
When we, the seller, are at fault, please Contact Us for a return label, products returned with a shipping label not provided by the seller will not be refunded to the buyer. Please also note that our return labels are issued with the dimensions and weight of the original shipment, if the product is being returned in any box/package besides the original please Contact Us with the dimensions and weight.

Returns must be sent to this address:
Modern Day Muffler & Brake
774 Broad Street
Wadsworth, OH 44281
 
Products returned directly to a manufacturer or the incorrect address may be issued a deduction or denied a refund entirely.
 
If a product was delivered outside the 30 day return window or is no longer in original condition please contact us as we may be able to issue a refund in store credit and/or with a deduction. If this is the case please Contact Us as these situations are handled on a case by case basis.
 
If there are any questions, concerns, or doubts about return eligibility please Contact Us and we would be more than happy to assist you.

This page and policy were last updated: July 14th 2023

FAQs

This is the line that runs from the front of the vehicle to the rear. On most vehicles it connects to a junction then you will have rear axle lines. On a few cars the intermediate lines will connect to the rear wheels. It is recommended to change the axle lines if you are replacing the intermediate lines.

Our kits include all of the solid metal lines for that section of the vehicle.

We are happy to help! Please help us to help you by going to our return form and filling out the form as best as you can in order to request a return.

  • Modern Day stands by our parts and is happy to accept returns within 30 days of purchase. Parts must be in new condition.
  • If a part arrives damaged, or is defective, Please report it to us immediately. So we can handle it for your promptly.

Yes but you will need to order in advance. All of our items are not stocked at our location. So please place your order online and we will notify you when it is ready for pick up.

Unfortunately we cannot offer single lines outside of kits

Yes, all are covered by the manufacturer's standard warranty. Most warranties cover the cost of parts. Any installation or other fees are non-refundable.

Online we accept PayPal and all major Credit Cards. If your are picking an item up we gladly accept cash.

We can only ship to your confirmed address in PayPal or your billing address if you pay with a credit card.

Orders typically Arrive within 3 to 10 days depending if it is a stocked item or something we have manufactured at time of sale.

Yes please send us a message through our custom orders page.

Yes, but items sent out of the continental U.S. may incur additional charges based on their destination

The left and right sides on a vehicle are determined as though you were sitting in the driver's seat. The left is the driver's side, and the right is the passenger's side.

Check it again tomorrow. It takes up to 1 day for the carrier to give status and a delivery date. UPS and FedEx provide delivery dates, USPS usually does not but they take no longer than 5 business days.

Yes! Thank you for your military service!

Still have a question or concern?  Please contact use our contact us form!

Yes! Thank you for your military service!

Warranty Information

Customer service is our top priority and because we value your time and energy we ask you to visit our Contact Us page and reach out so that we may assist you in finding the correct warranty for your product. Please include your name, the name on the order, the order number, and the SKU of the product to ensure the quickest and most accurate response to your inquiry.

Product Notices

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