- Home »
- Catalog »
- Custom Header Components »
- Header Flanges »
- Mild Steel Header Flanges
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.
Select a Sub-Category
Mild Steel Header Flanges Featured Products
Suzuki, Samurai, Vitara
Description: For Suzuki Samurai, Vitara, 1.8l, 2.0L, 2.3L G-Series Heads
Item #: SHM-6275-MSHF
Condition:
New
Price: $39.95
LS
Description: Chevy LS Mild Steel Header Flange
Item #: SHM-2525-MSHF
Condition:
New
Price: $39.95
NEW!
CFE
Description: 1 7/8" Round Port, 2 5/8" Inline Bolt Spacing
Item #: SHM-2502-MSHF
Condition:
New
Price: $59.95
LS
Description: Chevy LSX/LS7 Mild Steel Header Flange
Item #: SHM-2530R-MSHF
Condition:
New
Price: $39.95
NEW!
LS
Description: LS Flanges for Raised Oval Port CID Cylinder Heads
Item #: SHM-2525-CID-MSHF
Condition:
New
Price: $59.95
Duramax, LLY, LB7, LBZ
Description: Duramax 6.6L LB7/LLY/LBZ Mild Steel Header Flange
Item #: SHM-2695-MSHF
Condition:
New
Price: $39.95
Powerstroke, Stainless
Description: Ford 6.0L/6.4L Powerstroke Mild Steel Header Flange
Item #: SHM-6137-MSHF
Condition:
New
Price: $39.95
6.7L Powerstroke, Stainless
Description: Ford 6.7L Powerstroke Mild Steel Header Flange
Item #: SHM-6138-MSHF
Condition:
New
Price: $39.95
NEW!
IDI
Description: Ford 6.9L/7.3L IDI Diesel Mild Steel Header Flange
Item #: SHM-6141-MSHF
Condition:
New
Price: $59.95
Powerstroke, Turbo Diesel
Description: Ford 7.3L Powerstroke Mild Steel Header Flange
Item #: SHM-6135-MSHF
Condition:
New
Price: $39.95
NEW!
M&M Competition
Description: 2 1/4" Round port
Item #: SHM-2678a-MSHF
Condition:
New
Price: $59.95
NEW!
Description: 1 3/4" Sized Oval Ports
Item #: SHM-6189m-MSHF
Condition:
New
Price: $44.95
SBC
Description: Available in 1 5/8" or 1 3/4" Round Port
Item #: SHM-2514-MSHF
Condition:
New
Price: $39.95
SBC
Description: Small Block Chevy Square Port Mild Steel Header Flange
Item #: SHM-2512-MSHF
Condition:
New
Price: $39.95
Description: Big Block Chevy Round Port Mild Steel Header Flange
Item #: SHM-1490-MSHF
Condition:
New
Price: $39.95
Description: Big Block Chevy Single Port Mild Steel Header Flange
Item #: SHM-1490S-MSHF
Condition:
New
Price: $16.95
Description: Big Block Ford 429/460 Mild Steel Header Flange
Item #: SHM-3563-MSHF
Condition:
New
Price: $39.95
Description: Big Block Mopar (383-440) Large Port Mild Steel Header Flange
Item #: SHM-4512-MSHF
Condition:
New
Price: $39.95
Description: Big Block Ford A460 Mild Steel Header Flange
Item #: SHM-3565-MSHF
Condition:
New
Price: $39.95
Description: Brad Anderson BAE 6x/8x Hemi Oval Port Mild Steel Header Flange
Item #: SHM-6238-MSHF
Condition:
New
Price: $39.95
Description: Big Block Ford C460 Mild Steel Header Flange
Item #: SHM-3567-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 BAE 5x Hemi Rect. Port Mild Steel Header Flange
Item #: SHM-6238A-MSHF
Condition:
New
Price: $39.95
NEW!
Description: Available in 1 3/4", 1 7/8", or 2" Round Ports
Item #: SHM-3585-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 350/389/400/455 D-Port 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
Ram Air
Description: Pontiac 400/455 Ram Air IV Round Port Mild Steel Header Flange
Item #: SHM-5400-MSHF
Condition:
New
Price: $39.95
Edelbrock, Ram Air
Description: Pontiac 400/428/455 V8 RAII/RAIV Edelbrock Performer RPM 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
Ram Air
Description: Pontiac 400/455 Ram Air V Mild Steel Header Flange
Item #: SHM-5405-MSHF
Condition:
New
Price: $39.95
Ram Air
Description: Pontiac 400/455 Ram Air V Round Port Mild Steel Header Flange
Item #: SHM-5405R-MSHF
Condition:
New
Price: $39.95
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
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.