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

You are here: Home > Manifold / Header Gaskets > GM (Buick, Cad., Chev., Geo, Olds., Pontiac) > Chevrolet > V8 > Big Block - 396, 402, 427, 454, 454/502 Generation (IV, V, VI)

Sort By:

Page of 1


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	PN 2013 -- Chevrolet, Big Block, 396, 402, 427, 454 ('65 - '90), Large Round Race Port, 2/Set MSRP $48.29

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	2-5/32" Dia. Large Round Race Port See next page for more technical specifications


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	PN 2035 -- Chevrolet, Big Block, D-Port, AFR Magnum, Header Applications, 2/Set MSRP $48.59

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	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 2045 -- Chevrolet, Y-Pipe-to-Rear-Pipe Connector, GM 5.7L - 7.4L Truck ('96-'00), 1(ea) MSRP $32.29	PN 2047 -- Chevrolet, Big Block, 396, 402, 427, 454, Large Round Race Port, 2/Set MSRP $49.69

1-3/4" Dia. Round Port Use for Weld Bead Header Applications See next page for more technical specifications.	V8 Truck Y-Pipe Connector See next page for more technical specifications	2.40" Dia. Large Round Race Port See next page for more technical specifications


PN 2052 -- Chevrolet, Y-Pipe-to-Rear-Pipe Connector, Dual Port, 1(ea) MSRP $32.29	PN 2058 -- V8 - GMC TRUCK - Big Block Vortec 7.4L/454 ('96-'00), 8100 Series "L18" 8.1L/496 ('01-'09), 1-7/8"w x 1-15/16"h Square Port, Manifold & Header Applications, 2/Set MSRP $49.29	PN 2068 -- Chevrolet, Big Block, 396, 402, 427, 454, 2" Round Port, Header Applications, 2/Set MSRP $48.29

V8 Truck Y-Pipe Connector See next page for more technical specifications	1-7/8" Wide x 1-15/16" Tall Square Port See next page for more technical specifications	2" Dia. Round Port Use for Weld Bead Header Applications See next page for more technical specifications.


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 MSRP $48.69	PN GS11838 -- Remflex "DIY" Gasket Material Blank, Size: 18" Wide x 38" Long, 1 Each MSRP $368.99	PN GS16024 -- Remflex "DIY" Gasket Material Blank, Size: 6" Wide x 24" Long, 1 Each MSRP $81.99

V8 Big Block Matches Doug Thorley® HEADER FLANGE See next page for more technical specifications.	18" x 38" Blank piece of Remflex material For DIY projects. See next page for more technical specifications	6" x 24" Blank piece of Remflex material For DIY projects. See next page for more technical specifications


PN GS16511 -- Remflex "DIY" Gasket Material Blank, Size: 6-1/2" Wide x 11" Long, 1 Each MSRP $41.39

6-1/2" x 11" Blank piece of Remflex material For DIY projects. See next page for more technical specifications