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PN 2057 -- GM, L4, 2.0L SOHC TURBO ('87-'90), 4 Piece Set
PN 2057 -- GM, L4, 2.0L SOHC TURBO ('87-'90), 4 Piece Set
MSRP $21.99

1-9/16" Round Port
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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 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
MSRP $34.99

V8 / LS Engine
1.780" Round Port
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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 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
MSRP $35.99

1-1/2" Dia. Port
For "Weld Bead" Header Applications
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PN 2089 -- GM LS Engine, Year Range: 2014 & Up, 5.3L & 6.2L, Port Shape: Obround, Dim: 2.25" Wide x 1.875" Tall, 2/Set
PN 2089 -- GM LS Engine, Year Range: 2014 & Up, 5.3L & 6.2L, Port Shape: Obround, Dim: 2.25" Wide x 1.875" Tall, 2/Set
MSRP $36.99

LS Engine
Year Range: 2014 & Up
Port Shape: Obround
Dimensions: 2.25" Wide x 1.875" Tall
2/Set
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PN 2004 -- Chevrolet, Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Round Port, for Header Applications, 2/Set
PN 2004 -- Chevrolet, Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Round Port, for Header Applications, 2/Set
MSRP $37.49

1-9/16" Dia. Round Port
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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 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
MSRP $37.49

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 2031 -- Chevrolet, Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Round Port, Header Applications, 2/Set
MSRP $37.49

1-7/16" Dia. Round Port
Use 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 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
MSRP $37.49

1-3/4" Dia. Round Port For Header Applications
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PN GS16511 -- Remflex "DIY" Gasket Material Blank, Size: 6-1/2" Wide x 11" Long, 1 Each
PN GS16511 -- Remflex "DIY" Gasket Material Blank, Size: 6-1/2" Wide x 11" Long, 1 Each
MSRP $38.99

6-1/2" x 11" Blank piece of Remflex material For DIY projects.
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PN 2073 -- Chevrolet, V8 / Small Block Splayed-Valve, Fits ROX Race Heads 2/Set
PN 2073 -- Chevrolet, V8 / Small Block Splayed-Valve, Fits ROX Race Heads 2/Set
MSRP $38.99

V8Fits ROX Race Heads
GM Performance Head PN 12480153
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