GASKETS
Oldsmobile 330-455 Head Gaskets
Cometic MLS
Fel Pro/ Fel-Pro OEM
Application 330-455 330-455
Gasket Bore
Thickness
4.125" 4.200" 4.200" 4.200" 4.250" 4.250" 4.280" 4.351" 4.400"
.040" .027" .040" .060" .039" .038" .040" .040" .040"
CAGC5808-040 CAGC5809-027 CAGC5809-040 CAGC5809-060
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1964-76, 330-455
330-455
455
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FEL1155
1964-72, 455 OEM Stock Replacement, PermaTorque
FEL8171PT-1 †
1964-79, 330-455
CAGC5811-040
—
1977-79, 403 OEM Stock Replacement, PermaTorque
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FEL8507PT †
330-455
CAGC5810-040
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† Fel-Pro OEM
Intake Gaskets
Port Dimensions
Fel Pro / Fel-Pro OEM
Application
Thickness
Mr Gasket MRG405G MRG404
Edelbrock
Mahle
1964-76, 330-350, Side Gaskets Only 1964-76, 400-455, Side Gaskets Only
1.38" x 2.03" 1.41" x 2.49" 1.44" x 2.44"
.062" .062" .060" Stock
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1966-76 400/425/455 Side Gaskets Only 1965-72, 400/425/455 OEM Stock Repl. Intake Valley Pan, Embossed Steel 1973-76, 455 OEM Stock Repl. Intake Valley Pan, Embossed Steel 1968-80, 260/307/350/403 OEM Stock Repl. Intake Valley Pan, Embossed Steel
— EDE7284
Stock
—
— FELMS96004 †
Stock
Stock
—
— FELMS96015 †
—
Stock
Stock .060" .060"
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— FELMS96027 † — FEL1356
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455, Composite, Printoseal Laminate
1.40" x 2.40" 1.50" x 2.57"
1965-76 400-455, Laminated Fiber with Steel Core
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— M77MS20094
† Fel-Pro OEM
Die-Cut Fiber/Graphite/Steel Core Exhaust Gaskets
Port Dimensions
Fel Pro / Fel-Pro OEM FEL1439
Taylor XX Carbon TAY68039
Application
Mr. Gasket
Remflex
1964-75, 330-455 1964-80, 330-455
1.56" X 1.95" 1.55" X 1.92"
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MRG453 MRG5945 ††
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—
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End Ports 1.437" x 1.937", Center Ports 1.50" x 1.906" End Ports 1.325" x 1.875", Center Ports 3.325" x 1.875"
1964-90 307/330/350/400/403/455, Individual Stock Port
REM11-001
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—
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1965-69, 400, 1965-67 425, 1968-74 455, No Center Bar
REM11-003
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—
—
1968-82, 330-455, OEM Stock Repl. Exhaust Manifold Gasket Set
REM11-002
Stock
FELMS90021
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—
†
† Fel-Pro OEM. †† Ultra-Seal gasket.
Alloy Exhaust Gaskets
Port Dimensions
Mr. Gasket CopperSeal MRG7170
Mr. Gasket Aluminum Layered
Cometic MLS
SCE Pro Copper SCE4079
Application
1964-80, 330-455, Rectangular Port
1.55" x 1.92"
MRG7416G
CAGC5904-030
Valve Cover Gaskets Application
Construction
Thickness
Fel-Pro OEM
Edelbrock
Mr. Gasket
Mahle
1964-76, 330-455
Cork/Rubber Cork/Rubber
3/16" 5/32" 11/64"
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— MRG476 MRG5875 ††
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1964-80, 330-455, OEM Stock Replacement
FELVS13403C † FELVS50259R †
1964-80, 330-455, OEM Stock Replacement PermaDry
Rubber
330-455
Cork/Rubber Coated 1/4"
—
EDE7598
—
—
1964-80 330-455
Cork/Composite
1/8"
—
—
— M77VS50826
† Fel-Pro OEM †† Ultra Seal Gaskets
471 2021-22 ENGINE BUILDER CATALOG
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