Stainless Headers Mfg, Inc. - Mild Steel Header Flanges

Header Flanges - 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

Clear Brand
View  

Mild Steel Header Flanges Featured Products

Sort
Clear Brand
View
 
Items 251-300 of 447
Description: Pontiac 350/389/400/455 D-Port Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Chevrolet 348/409 Mild Steel Header Flange
Condition: New
Price: $39.95

Ram Air
Description: Pontiac 400/455 Ram Air IV Round Port Mild Steel Header Flange
Condition: New
Price: $39.95

Edelbrock, Ram Air
Description: Pontiac 400/428/455 V8 RAII/RAIV Edelbrock Performer RPM Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Big Block Chevy 5.3" Bore Space Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Big Block Chevy 5.0" Bore Spacing Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Big Block Chevy D-Port Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Big Block Chevy Square Port Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Big Block Mopar (383-440) Round Port Mild Steel Header Flange
Condition: New
Price: $39.95

Ram Air
Description: Pontiac 400/455 Ram Air V Mild Steel Header Flange
Condition: New
Price: $39.95

Ram Air
Description: Pontiac 400/455 Ram Air V Round Port Mild Steel Header Flange
Condition: New
Price: $39.95
Qty:

Kaase
Description: Ford Boss 429 "Boss 9" Kaase Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Ford Boss 429 Mild Steel Header Flange
Condition: New
Price: $39.95

FE
Description: Ford FE 427 High-Rise Mild Steel Header Flange
Condition: New
Price: $39.95

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
Description: Ford FE 427 16-Bolt Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Big Block Mopar (383-440) Raised Port Mild Steel Header Flange
Condition: New
Price: $39.95

FE
Description: Ford FE 427 Low-Rise Mild Steel Header Flange
Condition: New
Price: $39.95

Sonny's
Description: Big Block Chevy Sonny's 5.3" Bore Space Mild SteelHeader Flange
Condition: New
Price: $49.95
Qty:

MBR, Fontana
Description: Fontana/MBR 526 Hemi Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Ford 427 SOHC "Cammer" Mild Steel Header Flange
Condition: New
Price: $39.95
Qty:

NEW!
MBR, Fontana
Description: Sold Individually. 2 3/4" Oval Port
Condition: New
Price: $44.95
Qty:

LT
Description: Chevrolet Gen V 'LT-Series' Mild Steel Header Flange
Condition: New
Price: $39.95

Coyote
Description: Ford 5.0L Coyote Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Ford 5.2L Voodoo Mild Steel Header Flange
Condition: New
Price: $39.95

hemi
Description: Mopar 5.7L Hemi- Passenger Side Mild Steel Header Flange
Condition: New
Price: $39.95
Qty:

Hemi
Description: Mopar 5.7L Hemi- Drivers Side Mild Steel Header Flange
Condition: New
Price: $39.95
Qty:

Hemi
Description: Mopar 500 CID Pro-Stock Hemi 99 Mild Steel Header Flange
Condition: New
Price: $39.95

HEMI
Description: Mopar 500 CID Pro-Stock Hemi 99 Mild Steel Split Header Flange
Condition: New
Price: $29.95
Qty:

Hemi
Description: Available in 2" or 2 1/8" Rect Ports
Condition: New
Price: $39.95

Description: Ford 4.6L/5.4L 3-Valve Mild Steel Header Flange
Condition: New
Price: $39.95
Qty:

Description: Ford 5.4L 4-Valve Mild Steel Header Flange
Condition: New
Price: $39.95

Hemi
Description: Chrysler 5.7L Hemi Square Port Mild Steel Header Flange
Condition: New
Price: $49.95

Description: Ford 4.6L 4-Valve Mild Steel Header Flange
Condition: New
Price: $39.95

HEMI
Description: Mopar 426 Hemi Mild Steel Header Flange
Condition: New
Price: $39.95

FHO
Description: Available in 2 1/8", 2 1/4", or 2 3/8" Port Sizes
Condition: New
Price: $49.95

FHO
Description: Available in 2", 2 1/8", 2 1/4", or 2 3/8" Port Sizes
Condition: New
Price: $49.95

Hemi
Description: Mopar Early Hemi Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Chrysler B1 PSO Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Small Block Chevy C4 Corvette 5.7L LT5 Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Ford Yates C3 Mild Steel Header Flange
Condition: New
Price: $39.95

AFR
Description: Small Block Ford AFR/Z304 3" Bolt Pattern Mild Steel Header Flange
Condition: New
Price: $39.95

TrickFlow, Brodix
Description: Small Block Ford- Trick Flow Twisted Wedge Mild Steel Header Flange
Condition: New
Price: $39.95

TrickFlow, Brodix
Description: Small Block Ford- Trick Flow 225cc Twisted Wedge Round Port Mild Steel Header Flange
Condition: New
Price: $39.95

Brodix, Ford Performance
Description: Small Block Ford N351 Sportsman Head Mild Steel Header Flange
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
Condition: New
Price: $39.95

Dart, AFR
Description: Small Block Ford-W Mild Steel Header Flange For Dart/AFR 3" Heads
Condition: New
Price: $39.95

Dart
Description: Small Block Ford-W Dart Pro1 225 cc Mild Steel Header Flange
Condition: New
Price: $39.95

AFR
Description: Small Block Ford Z304 2" & 3" Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Small Block Mopar 318/340/360 Mild Steel Header Flange
Condition: New
Price: $34.95

Items 251-300 of 447

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.