# Manley Small Block Chevrolet 1.500 Budget Performance Exhaust Valves

Swirl Polished and Fully Machined: The under head areas are expertly swirl polished, and the combustion faces are fully machined, optimizing airflow and combustion efficiency for maximum power.

-   Swirl Polished and Fully Machined: The under head areas are expertly swirl polished, and the combustion faces are fully machined, optimizing airflow and combustion efficiency for maximum power.
-   Premium Stainless Steel: The Performance Series valves are available as XH-422 for exhaust and NK-840 for intake, constructed from high-quality stainless steel for optimal performance.
-   Chrome Stems and Hard Tips: These valves boast chrome stems and hard tips, ensuring exceptional durability, even under extreme conditions.
-   Variety of s: Tailor your valve selection to your engine's needs with options for stock or .100 longer s.

## Details

- **Price:** 159.67 CAD
- **Vendor:** Manley Performance
- **Type:** Valves

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 159.67 CAD | In stock |

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/manley-small-block-chevrolet-1-500-budget-performance-exhaust-valves)
> Updated: 2026-09-01