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.

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Mild Steel Header Flanges Featured Products

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Items 301-350 of 447
Description: Raised Port variant of W2 header flanges, available in 1 3/4" or 1 7/8" port size
Condition: New
Price: $49.95

Edelbrock
Description: Round Port variant of W5 header flanges, available in 1 3/4" Port Size
Condition: New
Price: $49.95
Qty:

SBC
Description: 18 Degree Small Block Chevy Mild Steel Header Flange
Condition: New
Price: $39.95

A3
Description: Ford A3 Mild Steel Header Flange
Condition: New
Price: $49.95
Qty:

D3
Description: Ford SVO D3/D302/C302 Mild Steel Header Flange
Condition: New
Price: $39.95
Qty:

Description: Small Block Chevy 5.7L D-Port LT1 Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Small Block Mopar W2/W5 Mild Steel Header Flange
Condition: New
Price: $39.95

Dart, Reher-Morrison
Description: Small Block Chevy Mild Steel Header Flange to fit Reher-Morrison Head
Condition: New
Price: $39.95
Qty:

Stahl
Description: Small Block Chevy Close-Port Stahl Pattern Mild Steel Header Flange
Condition: New
Price: $39.95

Stahl
Description: Small Block Chevy Spread-Port Stahl Pattern Mild Steel Header Flange
Condition: New
Price: $39.95

NEW!
Hooker
Description: Available in 1 3/4", 1 7/8", or 2" Port Size
Condition: New
Price: $44.95

Stahl
Description: Small Block Chevy Stahl Pattern Adapter Kit- Mild Steel
Condition: New
Price: $285.00

Stahl Pattern, Small Block Chevy
Description: Small Block Chevy Stahl Pattern Adapter Plates- Mild Steel
Condition: New
Price: $205.00
Qty:

SBF,Flathead
Description: Sold as a set of (6) Single Port Flanges
Condition: New
Price: $89.95
Qty:

SBF,Flathead
Description: Sold as a set of (6) Single Port Flanges. 1 5/8" Round Port
Condition: New
Price: $175.00
Qty:

Edelbrock
Description: Small Block Ford-W Mild Steel Header Flange for Edelbrock Victor Senior Heads
Condition: New
Price: $39.95

SBF
Description: Available with 1 5/8" or 1 3/4" Rect. Ports. Stock 2" Bolt Pattern
Condition: New
Price: $39.95

SB2
Description: Chevrolet SB2 Mild Steel Header Flange
Condition: New
Price: $39.95

351c
Description: Small Block Ford-351c 2v Large Oval Port Mild Steel Header Flange
Condition: New
Price: $34.95

351c
Description: Small Block Ford- 351C 2v Small Oval Port Mild Steel Header Flange
Condition: New
Price: $34.95

351c
Description: Small Block Ford-Cleveland 4BBL Square Port -Boss 302- Mild Steel Header Flange
Condition: New
Price: $39.95

Ford, Flathead
Description: Sold Individually. 1 5/8" Round Ports
Condition: New
Price: $39.95
Qty:

351c
Description: Small Block Ford-351C 4V Small Square Port Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Mopar R5-P7 NASCAR Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Small Block Ford-W Raised Port Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Small Block Mopar W-9 Mild Steel Header Flange
Condition: New
Price: $34.95

Description: Small Block Mopar W-7 Mild Steel Header Flange
Condition: New
Price: $34.95

SBC
Description: Small Block Chevy Splayed Valve Mild Steel Header Flange
Condition: New
Price: $39.95
Qty:

Brodix
Description: Small Block Mopar- Brodix B1BA Mild Steel Header Flange
Condition: New
Price: $39.95

Description: Ford 312 Y-Block Mild Steel Header Flange
Condition: New
Price: $39.95

NEW!
CID
Description: Available in 2" Ports
Condition: New
Limited Supply
Price: $44.95
Qty:

Limited Supply
Price: $39.95

NEW!
Brodix
Description: Available in 2" or 2 1/4" Ports
Condition: New
Limited Supply
Price: $39.95

Brodix
Description: Small Block Ford-Brodix Track 1 Mild Steel Header Flange
Condition: New
Price: $39.95

Brodix
Description: Small Block Chevy Mild Steel Header Flange for Brodix BD2000
Condition: New
Price: $39.95
Qty:

Description: Small Block Mopar 318 Poly Head Mild Steel Header Flange-Round Port
Condition: New
Price: $39.95

Description: Small Block Mopar 318 Poly Head Mild Steel Header Flange-Sq. Port
Condition: New
Price: $39.95

GM 3800 V6
Description: GM Series II 3800 V-6 Mild Steel Header Flange
Condition: New
Price: $34.95

Description: Chevrolet LL8 Vortec 4200 "Atlas" Mild Steel Header Flange
Condition: New
Price: $59.95

Description: Ford 2.5/3.0L DuraTec V6 Mild Steel Header Flange
Condition: New
Price: $49.95

Description: Ford 3.8L/4.2L 'Essex' V6 Mild Steel Header Flange
Condition: New
Price: $34.95
Qty:

Ford, Mild, V6
Description: Ford Ranger 2.9L/177 V6 Mild Header Flange
Condition: New
Price: $34.95

EcoBoost
Description: Gen 1 Ford 3.5L EcoBoost V6 Mild Steel Header Flange
Condition: New
Price: $39.95

EcoBoost
Description: Gen 2 Ford 3.5L EcoBoost V6 Mild Steel Header Flange
Condition: New
Price: $39.95

PowerTech
Description: Chrysler 3.7L PowerTech V6 Mild Steel Header Flange- Passenger Side
Condition: New
Price: $49.95

PowerTech
Description: Chrysler 3.7L PowerTech V6 Mild Steel Header Flange- Driver Side
Condition: New
Price: $34.95

Description: Chevy 4.3L Vortec 4300 Mild Steel Header Flange
Condition: New
Price: $34.95

EcoTec
Description: Chevy 4.3L EcoTec3 LV3 Mild Steel Header Flange
Condition: New
Price: $34.95

Description: Barra 4.0L I-6 Mild Steel Header Flange
Condition: New
Price: $79.95

M3
Description: BMW S14 DOHC Mild Steel Header Flange
Condition: New
Price: $49.95

Items 301-350 of 447

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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.