GASKETS
Chevrolet Big Block 396-454 Head Gaskets
Gasket Bore & Thickness
Cometic MLS
Fel-Pro / Fel Pro OEM
SCE Pro Copper
SCE ICS Titan
Application
Iron/Aluminum Heads Gen IV, GM Bowtie Iron/Aluminum Heads Gen IV, GM Bowtie Iron/Aluminum Heads Gen IV, GM Bowtie Iron/Aluminum Heads, Gen IV, GM Bowtie, Dart Big Chief with .480 Bolt Holes Iron/Aluminum Heads, Gen IV, GM Bowtie Iron/Aluminum Heads, Gen IV, GM Bowtie Iron/Aluminum Heads, Gen. V & VI MLS, Iron/Aluminum Blocks, Iron/Aluminum Heads MLS, Iron/Aluminum Blocks, Iron/Aluminum Heads MLS, Iron/Aluminum Blocks, Iron/Aluminum Heads
4.630" .070" CAGC5331-070 4.630" .075" CAGC5331-075 4.630" .080" CAGC5331-080
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4.630" .080"
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— SCEP136280 A
SCES136280 B
4.630" .098" CAGC5331-098 4.630" .120" CAGC5331-120
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4.640" .039" 4.640" .041" 4.640" .053" 4.640" .061"
— FEL1012 B — FEL1077-041 C — FEL1077-053 C — FEL1077-061 C
A Annealed copper, O-Ring block or heads. B Built-in copper or steel wire ring combustion seal. C MLS Multi-layer stainless.
Intake Gaskets
Port Dimensions Thickness 1.80" x 2.030" .060"
Fel-Pro / Fel Pro OEM
SCE Accuseal E Edelbrock
Application
Brodix
Mahle
Mr Gasket
Oval Port, Stock, with Open Crossover
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— M77MS20039
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396-454, 1965-76 Stock Oval Port, OEM Repl. 396-454, 1965-76 Stock Oval Port, OEM Repl.
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Oval
Stock
— FELMS90240-2 D
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Oval
Stock
— FELMS90240 D
396-454, 1965-72 Stock Rectangular Port, OEM Repl. Oval Port, with Blocked Crossover, Printoseal
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Rectangular
Stock
— FELMS90005 D
1.75" x 2.16" .060"
— FEL1281-3
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Oval Port, Stock with Blocked Crossover Oval Port, Stock with Blocked Crossover Oval Port, Stock with Blocked Crossover Oval Port, Stock with Open Crossover Oval Port, Stock with Open Crossover Oval Port, Profiler Alum. Spread Port Heads Oval Port, Profiler Alum. Spread Port Heads Oval Port, Profiler Alum. Spread Port Heads Oval Port, Profiler Alum. Spread Port Heads Oval Port, Hunter Heads, with Blocked Crossover Oval Port, Brodix Big Duke PB1803 18° Heads
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1.75" x 2.16" .062"
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— MRG107 MRG5827 A — MRG117
1.75" x 2.16" .125"
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1.82" x 2.05" .060"
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FEL1210
— — — EDE7203
1.82" x 2.05" .060"
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FEL1212
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1.82" x 2.05" .065"
— FEL1212S-3 B
1.85" x 2.45" .030"
— FEL1306-1
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1.85" x 2.45" .045"
— FEL1306-2
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1.85" x 2.45" .060"
— FEL1306-3
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1.85" x 2.45" .090"
— FEL1306-4
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Oval Port, Profiler Alum. Spread Port Heads 1.85" x 2.45" .120"
— FEL1306-5
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1.95" x 2.575" .060" BROMG2177 C
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1.86" x 2.46" .060" BROMG2013 C
Oval Port, Marine, Gen IV, V, VI Engines Oval Port, Marine, Gen IV, V, VI Engines
1.750" x 2.000"
— FEL17342
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1.848" x 2.080"
— FEL17340
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Oval Port Brodix PB2005 Pro Stock Heads Oval Port, Brodix SR20 Heads Oval Port, Brodix SR20 Heads, Thick
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— .060" BROMG2015 C — .060" BROMG2021 C
— .120" BROMG2021-120 FEL1281-5
Rect. Port, Trim to Fit, without Upper Bolt Holes, Blocked Crossover 1.25" x 2.36" .060"
FEL1251
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Rectangular Port Dart Big M Heads Rectangular Port, Stock
1.720" x 2.750" .062"
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SCE113104
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1.75" x 2.50" .062"
— MRG108 MRG5828 A
A Mr. Gasket Ultra Seal. B Steel core laminate. C Brodix gaskets are sold in pairs, no front or rear seals in set. D Fel-Pro OEM
250 2021-22 ENGINE BUILDER CATALOG
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