V8

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Big Block - 396, 402, 427, 454, 454/502 Generation (IV, V, VI)

Small Block - 262, 265, 267, 283, 302, 305, 307, 327, 350, 400

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PN 2001 -- Chevrolet/GMC, 6.2L Diesel ('82-'93), 6.5L Diesel ('94-'04) Square Port , Header and Manifold Applications, 2/Set MSRP $46.69		PN 2002 -- Chevrolet, V8, Big Block Round Port for Header Applications, 396, 402, 427, 454, 2/Set MSRP $48.29		PN 2003 -- Chevrolet, Big Block, 396/6.5L, 402/6.6L, 427/7.0L, 454/7.4L, Match to Stock Port, Manifold or Header Applications, 2/Set MSRP $48.29

1-1/8"w x 1-3/4"h Square Port See next page for more technical specifications		1-7/8" Dia. Round Port See next page for more technical specifications		Year Range: 1965 - 1990 (After 1990 See PN 2030) 1-13/16"w x 1-7/8"h Square Port See next page for more technical specifications


PN 2004 -- Chevrolet, Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Round Port, for Header Applications, 2/Set MSRP $39.79		PN 2005 -- Chevrolet, Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Square Port for Header Applications, 2/set MSRP $39.79		PN 2006 -- Chevrolet Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Stock Head Port Match, for Manifold or Header Applications, 2/Set MSRP $39.79

1-9/16" Dia. Round Port See next page for more technical specifications		1-17/32"w x 1-19/32"h Square Port See next page for more technical specifications		1-3/8"w x 1-1/2"h Square Port - Matches Stock Head Port See next page for more technical specifications


PN 2007 -- Chevrolet, Small Block, 262 - 400, Large D-Port, "Brodix Track 1", LT-1 Corvette, 2/Set MSRP $39.79		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 $39.79		PN 2011 -- Chevrolet, Small Block, Square Port, "L31" Vortec Head, 2/Set MSRP $39.79

1-1/2"w x 1-5/8"h Large D-Shaped Port, "Brodix Track 1" Cylinder Heads, LT-1 Corvette See next page for more technical specifications		1-7/8" Dia. Round Port See next page for more technical Specifications including specific years and engine sizes		1-3/8"w x 1-1/2"h Raised Square Port See next page for more technical specifications


PN 2013 -- Chevrolet, Big Block, 396, 402, 427, 454 ('65 - '90), Large Round Race Port, 2/Set MSRP $48.29		PN 2014 -- Chevrolet, Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Brodix Spread Port, Stahl 7-Bolt Pattern, 2/Set MSRP $51.29		PN 2015 -- Chevrolet, Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Brodix "12B" Raised D Port, Stahl 7-Bolt Pattern, 2/Set MSRP $51.29

2-5/32" Dia. Large Round Race Port See next page for more technical specifications		1-7/8" Dia. Round Port See next page for more technical specifications		1-13/16"w x 1-3/4"h, D-Shaped Port Brodix "12B" See next page for more technical specifications


PN 2016 -- Chevrolet, Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Square Port, Header Applications 2/Set MSRP $39.79		PN 2017 -- Chevrolet, Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Oval Port, Header Applications, 2/Set MSRP $39.79		PN 2020 -- Chevrolet, V8, Square Port, 348('58-'61), 409('61-'65), 2/Set MSRP $51.29

1-5/16"w x 1-3/8"h Square Port Can be used for raised weld bead header applications See next page for more technical specifications		1-9/16"w x 1-7/8"h Oval Port See next page for more technical specifications		Center Ports - Square 1-5/8"w x 1-7/16"h End Ports - Square 1-7/8"w x 1-1/2"h See next page for more technical specifications


PN 2021 -- Chevrolet, Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Oval Port, Header Applications, 2/Set MSRP $39.79		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 MSRP $39.79		PN 2023 -- Chevy, 5.7L "LT1" ('95-'97), Camaro, Firebird, 2-1/4" Collector Flange - L.H. Side, 1(ea) MSRP $17.69

1-1/2"w x 1-3/4"h Oval Port See next page for more technical specifications		1-7/16"w x 1-3/8"h D-Shaped Port for Header Applications and ZZ4 Crate Motor See next page for more technical specifications		2-1/4" Collector Flange for L.H. Side, Camaro & Firebird LT1 models Use with PN 2022 or PN 2024 See next page for more technical specifications


PN 2024 -- Chevrolet, 4.3L "LT1"('94-'96), 5.7L "LT1"('92-'97) "LT4"('96) Stock Manifold, 2/Set MSRP $48.59		PN 2025 -- Chevrolet, Small Block, Stock Manifold, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, 2/Set, MSRP $48.59		PN 2026 --V8, GM Splayed Valve Cylinder Head, 1-15/16" Round Port , Header Applications, 2/Set MSRP $48.59

1-13/32"w x 1-3/8"h D-Shaped Stock Manifold Port Excludes Corvette See next page for more technical specifications		1-3/8"w x 1-3/8"h Square Port, Stock Manifold See next page for more technical specifications for specific applications from 262 thru 400		1-15/16" Dia. Round Port See next page for more technical specifications


PN 2028 -- Chevrolet Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Adaptor Flange Gasket, Stan's Headers, 2/Set MSRP $49.29		PN 2029 -- GM Performance Big Block "Rectangular Port" Header Gasket, 1.750" Tall x 1.875" Wide, Fits: Old Style ZZ502 Rectangular Port, 2/Set MSRP $49.29		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 MSRP $49.29

1-13/16" Round Port, Adaptor Flange Gasket See next page for more technical specifications		1.750" Tall x 1.875" Wide Rectangular Port See next page for more technical specifications		Year Range: 1991 & Up (Use with stock cast iron and GM performance aluminum cylinder heads), See next page for more technical specifications


PN 2031 -- Chevrolet, Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Round Port, Header Applications, 2/Set MSRP $39.79		PN 2032 -- Chevrolet, Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Oval Port, Header Applications, 2/Set MSRP $39.79		PN 2035 -- Chevrolet, Big Block, D-Port, AFR Magnum, Header Applications, 2/Set MSRP $48.59

1-7/16" Dia. Round Port Use for Weld Bead Header Applications See next page for more technical specifications		1-1/4"w x 1-5/8"h Oval Port Use for Weld Bead Header Applications See next page for more technical specifications		2-9/32"w x 1-31/32"h D-Shaped Port AFR "Magnum" Cylinder Heads See next page for more technical specifications


PN 2036 -- Chevrolet, Big Block, 396, 402, 427, 454, Round Port, Header Applications, 2/Set MSRP $48.59		PN 2037 -- Chevrolet, Small Block, "18 Degree Head", Header Applications, 2/Set MSRP $46.69		PN 2038 -- Chevrolet, Small Block, Large "Oval" Port for "Husler Hedders", 2/Set MSRP $46.69

1-3/4" Dia. Round Port Use for Weld Bead Header Applications See next page for more technical specifications.		1-23/32"w x 1-3/4"h Square Port Hedman "Hussler" Pattern See next page for more technical specifications		1-13/32"w x 1-3/4"h Large "Oval" Port See next page for more technical specifications