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PN 2013 -- Chevrolet, Big Block, 396, 402, 427, 454 ('65 - '90), Large Round Race Port, 2/Set PN 2005 -- Chevrolet, Small Block, 262, 265, 267, 283, 302, 305, 307, 327, 350, 400, Square Port for Header Applications, 2/set PN 12-001 -- Pontiac, 326, 350, 370, 389, 400, 421, 428, 455 ('58-'79), 2/Set
2-5/32" Dia. Large Round Race 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
PONTIAC
REMFLEX®
V8
326, 350, 370, 389, 400 , 421, 428, 455 ('58-'79),
Expt. Ram Air IV, Super Duty & H.O.
1-3/8" x 1-11/16 Oval End Ports
2/Set
For Ram Air IV, Super Duty & High Output see Part Number 12-002
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 PN 12-002 -- Pontiac, 400 ('68-'70), 455 ('71-'74), 2/Set PN 3097 -- Lincoln V12 Model K & KA (1933-1940) - 13 piece set - See below for descriptions and torque specs for each individual part
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)
See next page for more technical specifications, including specific years and applications
 		V8 engine, exhaust manifold/header gasket Lincoln V12 Model K & KA (1933-1940) - 13 piece set - See below for descriptions and torque specs for each individual part
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 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
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
"Dog Leg" port, matches stock cylinder head port
See next page for more technical specifications
 		Exhaust Manifold Gasket Set
FITS: 5.7L
BBK PERFORMANCE HEADERS
MODEL #4028
2/Set


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