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PN 13-004 -- Buick, V6, OHV 3.2L ('78), 3.7L ('64-'67), Jeep ('66-'71), 3.8L ('75-'78), 1-1/16"w x 1-11/16"h Square Port, Manifold or Headers, 2/Set PN 11-001 -- Oldsmobile, 260 Incl Diesel, 307, 330, 350, 350 Inc Diesel, 400, 403, 425, 455 ('64-'90) Header Applications, 2/Set PN 8001 -- 2-1/2” Collector Flange, 3 Bolt Holes, 3-1/32" Bolt Hole Spacing, 2/Set
1-1/16"w x 1-11/16"h Square Port
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 		1-7/16" x 1-15/16" Square End Ports
Two Separated Center Ports 1-1/2"w x 1-29/32"h 		Universal 2-1/2" (3-Bolt) Gasket
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 PN 8002 -- 3” Collector Flange, 3 Bolt Holes, 3-3/8" Bolt Hole Spacing, 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
Year Range: 1965 - 1990 (After 1990 See PN 2030)
1-13/16"w x 1-7/8"h Square Port
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 		Universal 3" (3-Bolt) Gasket
1-7/8" Dia. Round Port
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PN 1001 -- AMC (Jeep), 304 ('70-'79), 360 ('70-'93), 390 ('70), 401 ('71-'76), 2/Set PN 6046 -- V8 - MOPAR V8 REMFLEX® HD FITS: 5.7L BBK PERFORMANCE HEADERS MODEL #4028, 2 Piece Set PN 3008 -- Ford, FE Engines, 332 - 428 ('58 - '76 ), 390 incl T-Bird ('61-64), 410 Mercury / 428 ('66-'70) and 428 Cobra Jet ('66-'67 only), 1-9/16"w x 2-5/16"h Square Port, 8-Bolt Pattern for Manifold Applications, 2/Set
"Dog Leg" port, matches stock cylinder head port
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 		Exhaust Manifold Gasket Set
FITS: 5.7L
BBK PERFORMANCE HEADERS
MODEL #4028
2/Set
 		1-9/16"w x 2-5/16"h Square Port - Manifold Applications
(Note: For the 428 Cobra Jet only this may fit some header applications)
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