# Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8)

Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM

-   Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.
-   Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.
-   Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.
-   Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.
-   Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.

This Part Fits:

Year

Make

Model

Submodel

2007-2008

Cadillac

Escalade

Base

2007-2008

Cadillac

Escalade ESV

Base

2008

Cadillac

Escalade ESV

Platinum

2007-2008

Cadillac

Escalade EXT

Base

2007-2008

GMC

Yukon

Denali

2007-2008

GMC

Yukon XL 1500

Denali

2008

Hummer

H2

Base

## Details

- **Price:** 302.24 CAD
- **Vendor:** Manley Performance
- **Type:** Valves

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 302.24 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Photo - out of package
- User 1
- User 1
- User 1

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/manley-chevy-ls-3-l-99-l-92-head-small-block-race-master-exhaust-valves-set-of-8)
> Updated: 2026-06-28