# Stainless Works Big Block Chevy Round Port Header 304SS Exhaust Flanges 2-1/4in Primaries

Big Block Chevy round port header exhaust flanges. These flanges come as a pair and are designed for 2-1/4" primaries, laser-cut from heavy-duty 3/8" thick 304 stainless steel for superior resistance to warping from high heat, and comes with a limited lifetime warranty.

## Details

- **Price:** 282.33 CAD
- **Vendor:** Stainless Works
- **Type:** Flanges

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 282.33 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Photo - Primary
- Photo - Close Up
- Photo - Unmounted
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/stainless-works-big-block-chevy-round-port-header-304ss-exhaust-flanges-2-1-4in-primaries)
> Updated: 2026-08-15