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PN 2057 -- GM, L4, 2.0L SOHC TURBO ('87-'90), 4 Piece Set PN 2004 -- Chevrolet, Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Round Port, for Header Applications, 2/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
1-9/16" Round Port
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1-9/16" Dia. Round Port
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1-7/8" Dia. Round Port
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PN 2031 -- Chevrolet, Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Round Port, 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 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
1-7/16" Dia. Round Port
Use for Weld Bead Header Applications
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1-1/2" Dia. Port
For "Weld Bead" Header Applications
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1-3/4" Dia. Round Port For Header Applications
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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 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
V8 / LS Engine
1.780" Round Port
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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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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 PN 2073 -- Chevrolet, V8 / Small Block Splayed-Valve, Fits ROX Race Heads 2/Set PN 2050 -- Small Block Chevy, Husler Header " 410" Sprint Car Application, 7 Bolt Pattern "18 Degree" Head, 1-15/16""w x 1-13/16"h Exhaust Ports, 6 Piece Set/3 Pieces Per Side
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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V8Fits ROX Race Heads
GM Performance Head PN 12480153
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"Husler Header" (and others)
SBC Stahl 7 Bolt Pattern
18 Degree Sprint Car Application
1-15/16"W x 1-13/16"H Exhaust Ports
6 Piece Set, 3 pieces per side


(See PN 2037, PN 2043, PN 2044, and PN 2055 for additional "18 Degree Head" Applications.)
PN 2002 -- Chevrolet, V8, Big Block Round Port for Header Applications, 396, 402, 427, 454, 2/Set PN 2013 -- Chevrolet, Big Block, 396, 402, 427, 454 ('65 - '90), Large Round Race Port, 2/Set PN 2068 -- Chevrolet, Big Block, 396, 402, 427, 454,  2" Round Port, Header Applications, 2/Set
1-7/8" Dia. Round Port
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2-5/32" Dia. Large Round Race Port
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2" Dia. Round Port
Use for Weld Bead Header Applications
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PN 2026 --V8, GM Splayed Valve Cylinder Head, 1-15/16" Round Port , Header Applications, 2/Set PN 2036 -- Chevrolet, Big Block, 396, 402, 427, 454,  Round Port, Header Applications, 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
1-15/16" Dia. Round Port
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1-3/4" Dia. Round Port
Use for Weld Bead Header Applications
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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 2071 -- Chevrolet, Big Block, 396, 402, 427, 454, Matches Doug Thorley® HEADER FLANGE  Gasket Part# 07-31-48295, Port Size: 1-13/16" Wide x 1-3/4" Tall​, 2/Set PN 2028 -- Chevrolet Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400,  Adaptor Flange Gasket, Stan's Headers,  2/Set PN 2030 -- Chevrolet/GMC V8- Big Block 454/496/502 Gen. Mark (IV,V,VI), 2"w x 1-7/8"h Irregular Shape Stock Port, Manifold or Header Applications, 2/Set
V8 Big Block Matches Doug Thorley® HEADER FLANGE
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1-13/16" Round Port, Adaptor Flange Gasket
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Year Range: 1991 & Up
(Use with stock cast iron and GM performance aluminum cylinder heads),
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PN 2040 -- Chevrolet, Small Block, Adaptor Flange Gasket, Stahl / Hooker, Stahl 7-Bolt Pattern, 2/Set PN 2043 -- Chevrolet, Small Block, "18 Degree Head", Stahl 7-Bolt Pattern, Header Applications, 2/Set PN 2047 -- Chevrolet, Big Block, 396, 402, 427, 454,  Large Round Race Port, 2/Set
1-15/16" Port Size
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2"w x 1-7/8"h "Ob-Round to Square" Port
"Stahl"/"Hedman" and Others
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2.40" Dia. Large Round Race Port
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PN 2014 -- Chevrolet, Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Brodix Spread  Port, Stahl 7-Bolt Pattern, 2/Set 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
1-7/8" Dia. Round Port
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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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