# Manley Ford 4.6L & 5.4L SOHC 44.5mm Race Master Intake 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

1999-2000

Ford

F-150

Base

1999-2004

Ford

Mustang

GT

## Details

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

## Variants

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

## Images

- Photo - Primary

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/manley-ford-4-6l-5-4l-sohc-44-5mm-race-master-intake-valves-set-of-8)
> Updated: 2026-06-28