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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
Kaase
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
FE
Description: Ford FE 427 High-Rise Mild Steel Header Flange
Item #: SHM-3555-MSHF
Condition:
New
Price: $39.95
Description: AJPE/Proline 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
FE
Description: Ford FE 427 Low-Rise Mild Steel Header Flange
Item #: SHM-3554-MSHF
Condition:
New
Price: $39.95
Sonny's
Description: Big Block Chevy Sonny's 5.3" Bore Space Mild SteelHeader Flange
Item #: SHM-2642-MSHF
Condition:
New
Price: $35.95
MBR, Fontana
Description: Fontana/MBR 526 Hemi 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
LT
Description: Chevrolet Gen V 'LT-Series' Mild Steel Header Flange
Item #: SHM-2675-MSHF
Condition:
New
Price: $39.95
Coyote
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
hemi
Description: Mopar 5.7L Hemi- Passenger Side Mild Steel Header Flange
Item #: SHM-4522-MSHF
Condition:
New
Price: $39.95
Hemi
Description: Mopar 5.7L Hemi- Drivers Side Mild Steel Header Flange
Item #: SHM-4520-MSHF
Condition:
New
Price: $39.95
Hemi
Description: Mopar 500 CID Pro-Stock Hemi 99 Mild Steel Header Flange
Item #: SHM-4535-MSHF
Condition:
New
Price: $39.95
HEMI
Description: Mopar 500 CID Pro-Stock Hemi 99 Mild Steel Split Header Flange
Item #: SHM-4533-MSHF
Condition:
New
Price: $24.95
Hemi
Description: Mopar 426 High Port D4 Hemi Mild Steel Header Flange, Square Port
Item #: SHM-4531-MSHF
Condition:
New
Price: $39.95
Hemi
Description: Mopar FHO Stage V 426 Hemi Mild Steel Header Flange
Item #: SHM-4530-MSHF
Condition:
New
Price: $39.95
Description: Ford 4.6L/5.4L 3-Valve Mild Steel Header Flange
Item #: SHM-3570-MSHF
Condition:
New
Price: $42.95
Description: Ford 5.4L 4-Valve Mild Steel Header Flange
Item #: SHM-3572-MSHF
Condition:
New
Price: $39.95
NEW!
Hemi
Description: Chrysler 5.7L Hemi Square Port Mild Steel Header Flange
Item #: SHM-4529-MSHF
Condition:
New
Price: $49.95
Description: Ford 4.6L 4-Valve Mild Steel Header Flange
Item #: SHM-3569-MSHF
Condition:
New
Price: $39.95
HEMI
Description: Mopar 426 Hemi Mild Steel Header Flange
Item #: SHM-4518-MSHF
Condition:
New
Price: $39.95
NEW!
FHO
Description: Available in 2 1/8", 2 1/4", or 2 3/8" Port Sizes
Item #: SHM-4502-MSHF
Condition:
New
Price: $49.95
NEW!
FHO
Description: Available in 2", 2 1/8", 2 1/4", or 2 3/8" Port Sizes
Item #: SHM-4517-MSHF
Condition:
New
Price: $49.95
Hemi
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 C4 Corvette 5.7L 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
AFR
Description: Small Block Ford AFR/Z304 3" Bolt Pattern Mild Steel Header Flange
Item #: SHM-3535-MSHF
Condition:
New
Price: $39.95
TrickFlow, Brodix
Description: Small Block Ford- Trick Flow Twisted Wedge Mild Steel Header Flange
Item #: SHM-3539-MSHF
Condition:
New
Price: $39.95
TrickFlow, Brodix
Description: Small Block Ford- Trick Flow 225cc Twisted Wedge Round Port Mild Steel Header Flange
Item #: SHM-3538-MSHF
Condition:
New
Price: $39.95
NEW!
Brodix, Ford Performance
Description: Small Block Ford N351 Sportsman Head Mild Steel Header Flange
Item #: SHM-3544-MSHF
Condition:
New
Price: $49.95
Dart, AFR
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
Dart, AFR
Description: Small Block Ford-W Mild Steel Header Flange For Dart/AFR 3" Heads
Item #: SHM-3537-MSHF
Condition:
New
Price: $39.95
Dart
Description: Small Block Ford-W Dart Pro1 225 cc Mild Steel Header Flange
Item #: SHM-3536-MSHF
Condition:
New
Price: $39.95
AFR
Description: Small Block Ford Z304 2" & 3" Mild Steel Header Flange
Item #: SHM-3535a-MSHF
Condition:
New
Price: $39.95
Description: Small Block Mopar 318/340/360 Mild Steel Header Flange
Item #: SHM-4510-MSHF
Condition:
New
Price: $34.95
NEW!
Description: Raised Port variant of W2 header flanges, available in 1 3/4" or 1 7/8" port size
Item #: SHM-4549-MSHF
Condition:
New
Price: $49.95
NEW!
Edelbrock
Description: Round Port variant of W5 header flanges, available in 1 3/4" Port Size
Item #: SHM-4540-MSHF
Condition:
New
Price: $49.95
SBC
Description: 18 Degree Small Block Chevy Mild Steel Header Flange
Item #: SHM-2518-MSHF
Condition:
New
Price: $39.95
NEW!
A3
Description: Ford A3 Mild Steel Header Flange
Item #: SHM-3553A3-MSHF
Condition:
New
Price: $49.95
D3
Description: Ford SVO D3/D302/C302 Mild Steel Header Flange
Item #: SHM-3553D-MSHF
Condition:
New
Price: $39.95
Description: Small Block Chevy 5.7L D-Port LT1 Mild Steel Header Flange
Item #: SHM-2510-MSHF
Condition:
New
Price: $39.95
Description: Small Block Mopar W2/W5 Mild Steel Header Flange
Item #: SHM-4514-MSHF
Condition:
New
Price: $39.95
Dart, Reher-Morrison
Description: Small Block Chevy Mild Steel Header Flange to fit Reher-Morrison Head
Item #: SHM-2516-MSHF
Condition:
New
Price: $39.95
Stahl
Description: Small Block Chevy Close-Port Stahl Pattern Mild Steel Header Flange
Item #: SHM-2650-MSHF
Condition:
New
Price: $39.95
Stahl
Description: Small Block Chevy Spread-Port Stahl Pattern Mild Steel Header Flange
Item #: SHM-2637-MSHF
Condition:
New
Price: $39.95
Stahl
Description: Small Block Chevy Stahl Pattern Adapter Kit- Mild Steel
Item #: SHM-2651-MSHF
Condition:
New
Price: $285.00
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.