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PN 2070A -- GM & GMC TRUCK / SUV / HUMMER LS ('99-'12) - Header/Manifold-to-Exhaust Pipe Flange Gaskets, Driver Side Only, 1(ea) PN 2070B -- GM & GMC TRUCK / SUV / HUMMER LS ('99-'12) - Header/Manifold-to-Exhaust Pipe Flange Gaskets, Passenger Side Only, 1(ea) PN 2023 -- Chevy, 5.7L "LT1" ('95-'97), Camaro, Firebird, 2-1/4" Collector Flange - L.H. Side, 1(ea)
LS - Header/Manifold-to-Exhaust Pipe Flange Gasket, Driver Side Only
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LS - Header/Manifold-to-Exhaust Pipe Flange Gasket, Passenger Side Only
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2-1/4" Collector Flange for L.H. Side, Camaro & Firebird LT1 models
Use with PN 2022 or PN 2024
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PN 2070 -- GM & GMC TRUCK / SUV / HUMMER LS ('99-'12) - Header/Manifold-to-Exhaust Pipe Flange Gaskets, Driver & Passenger Sides, 2 Piece Set PN 2070C -- GM & GMC TRUCK / SUV / HUMMER LS (2014) - Header/Manifold-to-Exhaust Pipe Flange Gaskets, 2/Set PN 2009 -- Chevrolet, 262/4.3L ('85-'03) Including Vortec, 2/Set
LS - Header/Manifold-to-Exhaust Pipe Flange Gaskets, Driver & Passenger Sides
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LS - Header/Manifold-to-Exhaust Pipe Flange Gaskets,
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1-1/2"w x 1-5/8"h Oval Port
(Including Vortec)
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PN 2091 -- GMC   V6  305 CUBIC INCH ENGINE 1960-1969 1-9/16" x 1-7/16" Square Port w/ 3-3/16" Bolt Hole Spacing 6 Piece Set PN 2008 -- Chevrolet, 5.3L - 6.2L LS1, LS2, LS3, LS6, L99 Car (including Corvette), 4.8L - 6.0L (GM Truck Vortec), 6.0L/6.2L LS1 HUMMER 2/Set PN 2011 -- Chevrolet, Small Block, Square Port,  "L31" Vortec Head, 2/Set
GMC
V6
305 CUBIC INCH ENGINE
1960-1969
1-9/16" x 1-7/16" Square Port w/
3-3/16" Bolt Hole Spacing
6 Piece Set
1-7/8" Dia. Round Port
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1-3/8"w x 1-1/2"h Raised Square Port
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PN 2022 -- Chevrolet,  4.3L "LT1"('94-'96), 5.7L "LT1"('92-'97) "LT4"('96), ZZ4 Crate Motor, Z383 / Z385 Fast Burn Heads, Port Match to the Head,  Header Applications, 2/Set PN 2042 -- Chevrolet Small Block, Mid-Size D Port, LT-1 ('92-'95), LT-4 ('96), Corvette LT1 ('92-'96), for Header Applications, 2/Set PN 2048 -- Chevrolet, 5.3L - 6.2L LS1, LS2, LS3, LS6, L99 Car (including Corvette), 4.8L - 6.0L (GM Truck Vortec), 6.0L/6.2L LS1 HUMMER, 1-1/2" Dia. Port, "Weld Bead" Type Header Applications, 2/Set
1-7/16"w x 1-3/8"h D-Shaped Port for Header Applications and ZZ4 Crate Motor
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1-7/16"w x 1-7/16"h (Mid-Sized) D-Shaped Port
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1-1/2" Dia. Port
For "Weld Bead" Header Applications
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PN 2049 -- Chevrolet, 5.3L - 6.2L LS1, LS2, LS3, LS6, L99 Car (including Corvette), 4.8L - 6.0L (GM Truck Vortec), 6.0L/6.2L LS1 HUMMER, 1-3/4" Dia. Port, Header Applications, 2/Set PN 2066 -- GM - V8, LS7 Corvette ('06-'13) / LS9 Corvette ('09-'13) / L98, D Port 2"w x 1-3/4"h, Header Applications,  2/Set PN 2072 -- Chevrolet, 5.3L - 6.0L LS1, LS2, LS6 Car, 4.8L - 6.0L GM Truck Vortec, 1.780" Round Port REMFLEX®  Matches  DOUG THORLEY® HEADER FLANGE Gasket Part # 07-31-48299 2/Set2/Set
1-3/4" Dia. Round Port For Header Applications
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D Port 2"w x 1-3/4"h
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V8 / LS Engine
1.780" Round Port
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PN GS16511 -- Remflex "DIY" Gasket Material Blank, Size: 6-1/2" Wide x 11" Long, 1 Each PN 2089 -- GM LS 5.3L & 6.2L (2014 & Up), Port Shape: Obround, OEM Standard Port Size: 2.25" Wide x 1.875" Tall, 2/Set PN 2090 -- GM LS Engine, 5.3L & 6.2L (2014 & Up), (NON-OEM Gasket Port Dimensions) Weld Bead and Flat Flange Header Applications, 2/SET
6-1/2" x 11" Blank piece of Remflex material For DIY projects.
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LS Engine
Year Range: 2014 & Up
Port Shape: Obround
Dimensions: 2.25" Wide x 1.875" Tall
2/Set
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GM
LS Engine

5.3L & 6.2L
(OEM Gasket Port Dimensions)
Exhaust Manifold/Header Gasket
Year Range: 2014 & UP
Port Shape : Obround
Dimensions: 2.25 Wide x 1.875 Tall

2/Set
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PN 2073 -- Chevrolet, V8 / Small Block Splayed-Valve, Fits ROX Race Heads 2/Set PN 2024 -- Chevrolet, 4.3L "LT1"('94-'96), 5.7L "LT1"('92-'97) "LT4"('96) Stock Manifold, 2/Set PN 2074 -- Chevrolet, V8BIG BLOCK CHEVY BRODIX® PATTERN FITS: PB 2005 & PB 1200 "MAN EATER" SERIES HEADS MATCHES BRODIX GASKET MG 2005 2/Set
V8Fits ROX Race Heads
GM Performance Head PN 12480153
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1-13/32"w x 1-3/8"h D-Shaped Stock Manifold Port
Excludes Corvette
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BRODIX® PATTERN
FITS: PB 2005 & PB 1200 "MAN EATER"
SERIES HEADS
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PN 2082 -- Chevrolet/GM - BIG BLOCK  PRO-COMP®, Header Gasket, Port Size: 1.875 HT x 2.187 WD, Fits: Pro Comp® Cylinder Heads, 2/Set PN 2083 -- GM Performance, BIG BLOCK "D-Port", Port Size: 1.56 Tall x 1.80 Wide, Fits: 427, ZZ 427, ZZ 454, ZZ 502, Ram Jet 502, ZZ 572 2/Set PN 2084 -- GM V8 Big Block Fits: AFR® "Magnum" Aluminum Heads Per AFR® Gasket # 6858 Pattern 2/Set
GM
BIG BLOCK PRO-COMP®
Header Gasket
Port Size: 1.875 HT x 2.187 WD
Fits: Pro Comp® Cylinder Heads
2/Set
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GM Performance
BIG BLOCK "D-Port"
REMFLEX® Header Gasket
Port Size: 1.56 Tall x 1.80 Wide
Fits: ZZ 502 / Ram Jet 502
2/Set
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GM
V8
Big Block
Fits: AFR® "Magnum"
Aluminum Heads

2/SetPer

AFR® Gasket # 6858 Pattern
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PN GS16024 -- Remflex "DIY" Gasket Material Blank, Size: 6" Wide x 24" Long, 1 Each PN GS11838 -- Remflex "DIY" Gasket Material Blank, Size: 18" Wide x 38" Long, 1 Each
6" x 24" Blank piece of Remflex material For DIY projects.
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18" x 38" Blank piece of Remflex material For DIY projects.
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