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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
Description: Brad Anderson BA 6x/8x Mild Steel Header Flange
Item #: SHM-6238-MSHF
Condition:
New
Price: $39.95
Description: Big Block Mopar (383-440) Mild Steel Header Flange
Item #: SHM-4511-MSHF
Condition:
New
Price: $39.95
Description: Brad Anderson BA 5 Square Port Mild Steel Header Flange
Item #: SHM-6238A-MSHF
Condition:
New
Price: $39.95
Description: Big Block Ford C460 Mild Steel Header Flange
Item #: SHM-3567-MSHF
Condition:
New
Price: $39.95
Pontiac, 301
Description: Pontiac 301 Turbo V8 Mild Steel Header Flange
Item #: SHM-5402-MSHF
Condition:
New
Price: $44.95
Description: Pontiac 400/455 Mild Steel Header Flange
Item #: SHM-5401-MSHF
Condition:
New
Price: $39.95
Description: Chevrolet 348/409 Mild Steel Header Flange
Item #: SHM-2643-MSHF
Condition:
New
Price: $39.95
Description: Pontiac 400/455 Ram Air IV Round Port Mild Steel Header Flange
Item #: SHM-5400-MSHF
Condition:
New
Price: $39.95
Description: Pontiac 400/455 Ram Air IV "SAP" Mild Steel Header Flange
Item #: SHM-5415-MSHF
Condition:
New
Price: $39.95
Description: Big Block Chevy 5.3" Bore Space Mild Steel Header Flange
Item #: SHM-2553REV-MSHF
Condition:
New
Price: $39.95
Description: Big Block Chevy 5.0" Bore Spacing Mild Steel Header Flange
Item #: SHM-2558-MSHF
Condition:
New
Price: $39.95
Description: Big Block Chevy D-Port Mild Steel Header Flange
Item #: SHM-2522-MSHF
Condition:
New
Price: $39.95
Description: Big Block Chevy Square Port Mild Steel Header Flange
Item #: SHM-2520-MSHF
Condition:
New
Price: $39.95
Description: Big Block Mopar (383-440) Round Port Mild Steel Header Flange
Item #: SHM-4513a-MSHF
Condition:
New
Price: $39.95
Description: Pontiac 400/455 Ram Air V Mild Steel Header Flange
Item #: SHM-5405-MSHF
Condition:
New
Price: $39.95
Description: Pontiac 400/455 Ram Air V Round Port Mild Steel Header Flange
Item #: SHM-5405R-MSHF
Condition:
New
Price: $39.95
Description: Ford Boss 429 "Boss 9" Kaase Mild Steel Header Flange
Item #: SHM-3557-MSHF
Condition:
New
Price: $39.95
Description: Ford Boss 429 Mild Steel Header Flange
Item #: SHM-3556-MSHF
Condition:
New
Price: $39.95
Description: Ford FE 427 High-Rise Mild Steel Header Flange
Item #: SHM-3555-MSHF
Condition:
New
Price: $39.95
Description: Big Block Chevy 481x Mild Steel Header Flange
Item #: SHM-6235-MSHF
Condition:
New
Price: $39.95
Description: Ford FE 427 16-Bolt Mild Steel Header Flange
Item #: SHM-3555B-MSHF
Condition:
New
Price: $39.95
Description: Big Block Mopar (383-440) Raised Port Mild Steel Header Flange
Item #: SHM-4512a-MSHF
Condition:
New
Price: $39.95
Description: Ford FE 427 Low-Rise Mild Steel Header Flange
Item #: SHM-3554-MSHF
Condition:
New
Price: $39.95
Description: Big Block Chevy Sonny's 5.3" Bore Space Mild SteelHeader Flange
Item #: SHM-2642-MSHF
Condition:
New
Price: $39.95
Description: Chevrolet MBR 526 Hemi Head Mild Steel Header Flange
Item #: SHM-2639-MSHF
Condition:
New
Price: $39.95
Description: Ford 427 SOHC "Cammer" Mild Steel Header Flange
Item #: SHM-3554a-MSHF
Condition:
New
Price: $39.95
Description: Chevrolet 6.2L LT1 Mild Steel Header Flange
Item #: SHM-2675-MSHF
Condition:
New
Price: $39.95
Description: Ford 5.0L Coyote Mild Steel Header Flange
Item #: SHM-3575-MSHF
Condition:
New
Price: $39.95
Description: Ford 5.2L Voodoo Mild Steel Header Flange
Item #: SHM-3576-MSHF
Condition:
New
Price: $39.95
Description: Mopar 5.7L Hemi- Passenger Side Mild Steel Header Flange
Item #: SHM-4522-MSHF
Condition:
New
Price: $39.95
Description: Mopar 5.7L Hemi- Drivers Side Mild Steel Header Flange
Item #: SHM-4520-MSHF
Condition:
New
Price: $39.95
Description: Mopar 500 CID Pro-Stock Hemi Mild Steel Header Flange
Item #: SHM-4535-MSHF
Condition:
New
Price: $39.95
Description: Mopar 500 CID Pro-Stock Hemi Mild Steel Split Header Flange
Item #: SHM-4533-MSHF
Condition:
New
Price: $24.95
Description: Mopar 426 High Port D4 Hemi Mild Steel Header Flange, Square Port
Item #: SHM-4531-MSHF
Condition:
New
Price: $39.95
Description: Mopar FHO Stage V 426 Hemi Mild Steel Header Flange
Item #: SHM-4530-MSHF
Condition:
New
Price: $39.95
Description: Ford 5.4L 4-Valve Mild Steel Header Flange
Item #: SHM-3572-MSHF
Condition:
New
Price: $39.95
Description: Ford 4.6L 4-Valve Mild Steel Header Flange
Item #: SHM-3569-MSHF
Condition:
New
Price: $39.95
Description: Mopar 426 Hemi Mild Steel Header Flange
Item #: SHM-4518-MSHF
Condition:
New
Price: $39.95
Description: Mopar Early Hemi Mild Steel Header Flange
Item #: SHM-4515-MSHF
Condition:
New
Price: $39.95
Description: Chrysler B1 PSO Mild Steel Header Flange
Item #: SHM-4528-MSHF
Condition:
New
Price: $39.95
Description: Small Block Chevy LT5 Mild Steel Header Flange
Item #: SHM-2615-MSHF
Condition:
New
Price: $39.95
Description: Ford Yates C3 Mild Steel Header Flange
Item #: SHM-3561-MSHF
Condition:
New
Price: $39.95
Description: Small Block Ford Z304 Mild Steel Header Flange
Item #: SHM-3535-MSHF
Condition:
New
Price: $39.95
Description: Small Block Ford- Trick Flow Twisted Wedge Mild Steel Header Flange
Item #: SHM-3539-MSHF
Condition:
New
Price: $39.95
Description: Small Block Ford- Trick Flow 225cc Twisted Wedge Round Port Mild Steel Header Flange
Item #: SHM-3538-MSHF
Condition:
New
Price: $39.95
Description: Small Block Ford-W Mild Steel Header Flange For Dart 3" Heads
Item #: SHM-3537-MSHF
Condition:
New
Price: $39.95
NEW!
Description: Small Block Ford-W Mild Steel Header Flange For Dart/AFR 3" Bolt Pattern Heads- Round Port
Item #: SHM-3537A-MSHF
Condition:
New
Price: $39.95
Description: Small Block Ford-W Dart Pro1 225 cc Mild Steel Header Flange
Item #: SHM-3536-MSHF
Condition:
New
Price: $39.95
Description: Small Block Ford Z304 2" & 3" Mild Steel Header Flange
Item #: SHM-3535a-MSHF
Condition:
New
Price: $39.95
Description: Small Block Mopar Mild Steel Header Flange
Item #: SHM-4510-MSHF
Condition:
New
Price: $34.95
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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.