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GASKETS
Chevrolet Big Block 396-454
Intake Gaskets
Application
Oval Port, Brodix DN-9 Head Rectangular Port, without Upper Bolt Holes, Blocked Crossover
Rectangular Port, Dart Big “M” Rectangular Raised Port,
Blocked Crossover
Rectangular Raised Port,
Blocked Crossover
Rectangular Port, Dart Big Chief/Brodix Big Duke Spread Port,
Super-Duty Pontiac/Brodix Big Duke Heads Rectangular Port Chevrolet Race Block 5.000" Bore Centers
Universal Gasket, Outer Contour Is Pre-Cut, Trim to Fit, without Upper Bolt Holes Rectangular Port, Aramid Fiber, Gen IV Rectangular Port, Aramid Fiber, Mark IV, Gen V, VI
Rectangular Port, Mercury Marine 1050 , MLS
Rectangular Port, Dart Big Chief, Brodix Big Duke Heads Port Rectangular Port, Brodix, Pontiac Heads
Rectangular Port, Merlin, Brodix BB1 Heads
Rectangular Port, Merlin, Brodix BB1 Heads
Rectangular Port, Merlin 3X, Dart 360, Edelbrock Victor Heads Rectangular Port, Merlin 3X, Dart 360, Edelbrock Victor Heads
Blank Intake Gasket, Trim to Fit Rectangular Port, Dart Big Chief, Brodix Big Duke Heads
† Mr. Gasket Ultra Seal
Port Dimensions 2.020" x 2.741"
1.82" x 2.54" 1.84" x 2.80" 1.85" x 2.55"
1.85" x 2.55" 1.87" x 2.42" 1.90" x 2.70"
1.796" x 2.480"
No Port Holes
1.750" x 2.500" 1.750" x 2.500"
1.850" x 2.500"
1.875" x 2.425" 1.920" x 2.700" 1.80" x 2.530"
1.80" x 2.530" 1.80" x 2.500" 1.80" x 2.500"
N/A 1.950" x 2.650"
Thickness Brodix
.060" BROMG9001 .120" — .062" — .062" —
.125" — .062" — .060" —
.030" —
.060" —
.060" — .125" —
.051 —
.060" — .060" — .060" —
.120" — .060" —
.120" — .060" — .120" —
Fel-Pro / Cometic Fel Pro OEM
— —
— FEL1275-5
Mahle Mr Gasket
— — — — — — — —
— —
— SCE118101 — —
— —
— —
— — — —
— —
M77MS20040 — M77MS20041 — M77MS20042 —
M77MS20043 — M77MS20044 —
M77MS20045 — M77MS20046 — M77MS20054 —
Remflex Cometic
REM2013 — REM2030 —
— —
REM2003 — — — REM2036 — REM2002 — — — — — — —
— CAGC5349-030 — —
— —
— —
— —
— —
— CAGC5251-030 — —
CHEVROLET BIG BLOCK
Die-Cut Fiber/Graphite/Steel Core Exhaust Gaskets
Application
BBC Round Port
BBC Gen V & VI, Stock Square Port BB Chevrolet 396-454 (65-90) Stock Repl. Exhaust Manifold Gasket Set Stock Square Port
X-Large Square Port
Round Port
Round Port Round/Most OEM Alum. Heads Round Port
1965-90 Oval Port
Round Port, MLS Round/Large Port
Round Port
Round Port
Prostock, Chevrolet Bolt Patten, Olds/Pontiac Head
Large Round Port, Brodix Heads Large Round Port, MLS Marine, Gen IV, V, VI Engines
† Fel-Pro OEM.
Port Size
2.156" round 2" x 1.875"
Stock
1.85" x 1.90" 2.09" x 2.09" 1.750" 1.875" 1.94" Dia. 1.92" Dia. 1.82" x 2.05" 2.00" 2.13" Dia. 2.15" Dia. 2.43" Dia.
2.40" Dia.
2.40" 2.250" Stock
Fel-Pro /
Fel Pro OEM Taylor
— — — —
FELMS90206 † —
FEL1410 —
— —
— —
— TAY68019
FEL1411 — — — — — — —
FEL1412 —
— TAY68025 — —
FEL1490 —
FEL1428 — — — FEL17440 —
Mr. Gasket
Mr. Gasket
Ultra Seal Edelbrock
252 2021-22 ENGINE BUILDER CATALOG
— MRG425 — MRG121 MRG5817 — MRG122 MRG5819
— — FEL1249 —
FEL1223-4 —
FEL1290 —
CAGC5649-060 — CAGC5649-125 —
CAGC5821-051 —
— —
— —
— —
— —
— —
— —
— —
— —
†
†
—— — —— —
—— —
MRG153 —
—
—
— MRG152 —
—
— MRG152A —
—
— — —
MRG5910 — MRG5913 — — — — — — — MRG5911 —
— EDE7205 — —
— —
MRG5912 — MRG5914 —
— —
— — — — — —