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Stainless Headers Mfg, Inc. - Mild Steel Header Flanges
Our American made mild steel header flanges are precision laser cut from 0.375" 1018 cold rolled steel to our exacting specifications. We carry over 400 different flange designs. Many of the popular models come in several different primary tube port sizes. They come pre-surfaced and are ready for your header building project. If you don't see the flange you're looking for, talk with one of our exhaust specialists about custom header flange cutting.
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Mild Steel Header Flanges Featured Products
SBC
Description: 18 Degree Small Block Chevy Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
AJPE, Proline, SMX, SME
Description: Available in 2 1/4", 2 3/8", or 2 1/2" Round Port Flanges
Condition:
New
Not Available
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: AMC 258 Straight-6 Mild Steel Header Flange
Condition:
New
Price: $69.95
Sale: $59.50
Save: 15%
Save: $10.45
AMC V8, 360, 390, 401
Description: For Rectangle/Square Port AMC V8 Cylinder Heads
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
AMC
Description: AMC 360/390/401 V8 Dogleg Port Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Aston Martin 6.0L V-12 Mild Steel Header Flange
Condition:
New
Price: $34.95
Sale: $29.75
Save: 15%
Save: $5.20
Description: Aston Martin V-8 Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Price: $49.95
Sale: $42.50
Save: 15%
Save: $7.45
Description: Audi 4.2L RS6 Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Audi A4 2.8L DOHC Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Barra 4.0L I-6 Mild Steel Header Flange
Condition:
New
Price: $79.95
Sale: $68.00
Save: 15%
Save: $11.95
Description: Big Block Chevy 5.0" Bore Spacing Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Big Block Chevy 5.3" Bore Space Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Big Block Chevy D-Port Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Big Block Chevy Round Port Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Big Block Chevy Single Port Mild Steel Header Flange
Condition:
New
Price: $16.50
Sale: $14.05
Save: 15%
Save: $2.45
Sonny's
Description: Big Block Chevy Sonny's 5.3" Bore Space Mild SteelHeader Flange
Condition:
New
Price: $49.95
Sale: $42.50
Save: 15%
Save: $7.45
Description: Big Block Chevy Square Port Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Big Block Ford 429/460 Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Big Block Ford A460 Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Big Block Ford C460 Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Big Block Mopar (383-440) Large Port Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Big Block Mopar (383-440) Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Big Block Mopar (383-440) Raised Port Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Big Block Mopar (383-440) Round Port Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Price: $59.95
Sale: $51.00
Save: 15%
Save: $8.95
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
M3
Description: BMW S14 DOHC Mild Steel Header Flange
Condition:
New
Price: $49.95
Sale: $42.50
Save: 15%
Save: $7.45
Description: BMW S38 DOHC I-6 M5/M6 Mild Steel Header Flange
Condition:
New
Price: $79.95
Sale: $68.00
Save: 15%
Save: $11.95
Description: BMW S50 B30 Mild Steel Header Flange
Condition:
New
Price: $59.95
Sale: $51.00
Save: 15%
Save: $8.95
Description: BMW S54 Single Port Mild Steel Header Flange
Condition:
New
Price: $16.50
Sale: $14.05
Save: 15%
Save: $2.45
Description: Brad Anderson BAE 5x Hemi Rect. Port Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Brad Anderson BAE 6x/8x Hemi Oval Port Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Buick "Fireball" V-6 Mild Steel Header Flange
Condition:
New
Price: $34.95
Sale: $29.75
Save: 15%
Save: $5.20
Description: Buick 430/455 Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Buick 455 Stage III GSX Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Buick Nailhead Mild Steel Header Flange
Condition:
New
Price: $24.50
Sale: $20.85
Save: 15%
Save: $3.65
Description: Buick Series II 3800 V-6 Mild Steel Header Flange
Condition:
New
Price: $34.95
Sale: $29.75
Save: 15%
Save: $5.20
Description: For Buick/Rover 300 V8 Aluminum Heads
Condition:
New
Price: $49.95
Sale: $42.50
Save: 15%
Save: $7.45
Description: For the OHV Cadillac V8 Engines from 1959-1967
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Cadillac 500 Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Chevrolet 2.0L-2.4L EcoTec Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Chevrolet 2.3L Quad-4 Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Chevrolet 250/292 Straight 6 Mild Steel Header Flange
Condition:
New
Price: $59.95
Sale: $51.00
Save: 15%
Save: $8.95
Description: Chevrolet 3.4L Mild Steel Header Flange
Condition:
New
Price: $34.95
Sale: $29.75
Save: 15%
Save: $5.20
Description: Chevrolet 348/409 Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
LS
Description: Chevy LSX/LS7 Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
LT
Description: Chevrolet Gen V 'LT-Series' Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Description: Chevrolet LL8 Vortec 4200 "Atlas" Mild Steel Header Flange
Condition:
New
Price: $59.95
Sale: $51.00
Save: 15%
Save: $8.95
Description: Chevrolet S10 2.2L Mild Steel Header Flange
Condition:
New
Price: $39.95
Sale: $34.00
Save: 15%
Save: $5.95
Popular Brands:
More About Mild Steel Header Flanges
Our American made mild steel header flanges are precision laser cut from 0.375" 1018 cold rolled steel to our exacting specifications. We carry over 400 different flange designs. Many of the popular models come in several different primary tube port sizes. They come pre-surfaced and are ready for your header building project. If you don't see the flange you're looking for, talk with one of our exhaust specialists about custom header flange cutting.
