Cometic AMC 390/401 Gen-3 V8 .045in MLS Cylinder Head Gasket - 4.250in Bore

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.045". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two materials. MLS gaskets have increased strength because they are comprised of multiple layers of stainless steel; which also creates the ability to rebound and resist corrosion. The outer layers are embossed and coated on both sides with Viton (a flour elastomer rubber based material that is heat resistant to 250 C/ 482 F). Viton is designed to meet the demands of a variety of harsh sealing environments, load conditions, and surface finishes. The center or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirements.
Warranty
Certificate of Origin
Installation Instructions


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Year	Make	Model	Submodel
1962	American Motors	Ambassador	400
1963	American Motors	Ambassador	880
1963,1966-1967	American Motors	Ambassador	990
1967-1970	American Motors	Ambassador	Base
1971-1974	American Motors	Ambassador	Brougham
1958-1962	American Motors	Ambassador	Custom
1961	American Motors	Ambassador	Custom 400
1959	American Motors	Ambassador	Deluxe
1968-1971	American Motors	Ambassador	DPL
1968-1972	American Motors	Ambassador	SST
1958-1961	American Motors	Ambassador	Super
1968	American Motors	American	440
1966-1968	American Motors	American	Base
1968	American Motors	American	Rogue
1968-1970,1978-1979	American Motors	AMX	Base
1966	American Motors	Classic	770
1966	American Motors	Classic	Base
1978-1979	American Motors	Concord	Base
1979	American Motors	Concord	DL
1979	American Motors	Concord	Limited
1972-1975	American Motors	Gremlin	Base
1976	American Motors	Gremlin	Custom
1977	American Motors	Hornet	AMX
1970-1971,1973-1977	American Motors	Hornet	Base
1971	American Motors	Hornet	SC/360
1971-1977	American Motors	Hornet	Sportabout
1970-1972	American Motors	Hornet	SST
1971-1974	American Motors	Javelin	AMX
1968-1974	American Motors	Javelin	Base
1968-1972	American Motors	Javelin	SST
1970	American Motors	Javelin	SST Mark Donohue
1970	American Motors	Javelin	SST Trans Am
1967	American Motors	Marlin	Base
1971-1978	American Motors	Matador	Base
1974	American Motors	Matador	Brougham
1974	American Motors	Matador	X
1978	American Motors	Pacer	Base
1979	American Motors	Pacer	DL
1979	American Motors	Pacer	Limited
1969	American Motors	Rambler	440
1969	American Motors	Rambler	Base
1969	American Motors	Rambler	Hurst SC/Rambler
1969	American Motors	Rambler	Rogue
1968	American Motors	Rebel	550
1967-1968	American Motors	Rebel	770
1967,1969-1970	American Motors	Rebel	Base
1967-1970	American Motors	Rebel	SST
1970	American Motors	Rebel	The Machine
1966	American Motors	Rogue	Base
1979	American Motors	Spirit	Base
1974	Bricklin	SV-1	Base
1974-1983	Jeep	Cherokee	Base
1981-1982	Jeep	Cherokee	Chief
1981	Jeep	Cherokee	Laredo
1983	Jeep	Cherokee	Pioneer
1974-1980	Jeep	Cherokee	S
1978-1980	Jeep	Cherokee	Wide Track
1983	Jeep	Cherokee	Wide Track Chief
1971-1981	Jeep	CJ5	Base
1977-1980	Jeep	CJ5	Golden Eagle
1980-1981	Jeep	CJ5	Laredo
1975-1981	Jeep	CJ5	Renegade
1971-1975	Jeep	CJ6	Base
1976-1981	Jeep	CJ7	Base
1977-1979	Jeep	CJ7	Golden Eagle
1980	Jeep	CJ7	Golden Hawk
1980-1981	Jeep	CJ7	Laredo
1976-1981	Jeep	CJ7	Renegade
1972-1973	Jeep	Commando	Base
1984-1991	Jeep	Grand Wagoneer	Base
1984-1985	Jeep	Grand Wagoneer	Limited
1971-1973	Jeep	J-100	Base
1970-1973	Jeep	J-2500	Base
1970-1973	Jeep	J-2600	Base
1970-1971	Jeep	J-3800	Base
1971-1973	Jeep	J-4500	Base
1971-1973	Jeep	J-4600	Base
1971-1973	Jeep	J-4700	Base
1971-1973	Jeep	J-4800	Base
1974-1988	Jeep	J10	Base
1974-1988	Jeep	J20	Base
1972-1982	Jeep	Wagoneer	Base
1982-1983	Jeep	Wagoneer	Brougham
1973-1976	Jeep	Wagoneer	Custom
1979-1983	Jeep	Wagoneer	Limited