# Proform 67921 | Exhaust Header Gasket; Aluminum; Proform 67921 GMS/B ALUM HEADER GASK SQ

### PROFORM 67921 APPLICATION SPECS:

Exhaust Header Gasket; Aluminum; Set Of 2; Square Port

This square port, reusable, header gasket set creates a tight seal around header flanges to protect against leaks. Engineered with a dual layer design to conform to header flanges, even with minor surface imperfections for a superior seal. Made from soft conforming aluminum. Provides advanced protection from blowouts, burnouts and deterioration, making them ideal for the street or the strip. Use with PROFORMs Wedge-Locking Header Bolts, to create ultimate combo of headers that dont come loose, and an ideal seal! For Small Block Chevy 262-400 V8s (1958 to 1986).

-   Port Shape: Square
-   Port Diameter (IN): Not Applicable
-   Port Length (IN): Not Applicable
-   Port Width (IN): Not Applicable
-   Material: Aluminum
-   Quantity: Set Of 2

Proform 67921 GMS/B ALUM HEADER GASK SQ

PRODUCT FEATURES:

Proform 67921 GMS/B ALUM HEADER GASK SQ

### FAQ

**What part number is this?** The listed part number is 67921.

**Is this product designed for direct replacement?** Confirm the original part specifications and intended application before ordering.

**Should I confirm compatibility before ordering?** Yes. Compare the original part and specifications before ordering.

### Common Searches

-   Proform 67921
-   67921 specifications
-   Proform Exhaust Header Gasket; Aluminum; Proform 67921 GMS/B ALUM HEADER GASK SQ

## Details

- **Price:** 84.88 CAD
- **Vendor:** Proform
- **Type:** Exhaust Header Gasket
- **Tags:** 67921, Exhaust Header Gasket, Proform

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 84.88 CAD | In stock |

## Images

- Proform 67921 | Exhaust Header Gasket; Aluminum; Proform 67921 GMS/B ALUM HEADER GASK SQ

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/67921-vp-proform-518)
> Updated: 2026-10-20