Specifications
- Brand
- Manley Performance
- Part #
- 12627-8
- UPC
- 807298094052

Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8)
$596.61
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Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8). Built for extreme heat and force.
Key Features
- Set includes 8 Manley Extreme Duty exhaust valves with 31.5mm heads.
- Constructed from XH-432 XtremeAlloy, a material chosen for extreme heat and force resistance.
- Features chrome stems and hard tips for improved longevity and wear resistance.
- Swirl polished under head areas help improve airflow.
- Fully machined combustion faces contribute to better combustion efficiency.
- Designed for specialized applications like drag racing and marine engines where extreme conditions are common.
Product Details
When you're pushing your Ford Coyote 5.0L engine to its absolute limits, especially in high-heat, high-stress situations like racing or heavy-duty marine use, the stock exhaust valves might not cut it. That's where Manley's Extreme Duty Series Exhaust Valves come in. These aren't your average valves; they're built from the ground up to handle forces and temperatures far beyond what a typical street engine sees. If your build demands the best for extreme applications, these are worth a serious look.
The heart of these valves is Manley's XH-432 XtremeAlloy material, specifically chosen for its exceptional resistance to extreme heat and the immense forces generated in demanding engines. You'll also notice the chrome stems and hard tips, which are there to significantly boost longevity and wear resistance, meaning they'll stand up to countless cycles. Beyond just toughness, Manley has also optimized these valves for performance. The under-head areas are swirl polished to help smooth airflow, and the combustion faces are fully machined. This attention to detail helps improve how efficiently your engine breathes and burns fuel, which can make a real difference when every bit of power counts.
This set includes eight valves, enough to replace all the exhaust valves in your Coyote 5.0L. While these are designed for extreme duty, they are a direct replacement for the stock exhaust valves, making installation straightforward if you're already rebuilding the top end of your engine. Just be sure to follow proper installation procedures and torque specifications when putting them in.
Specifications
- Brand
- Manley Performance
- Manufacturer Part #
- 12627-8
- UPC
- 807298094052
Frequently Asked Questions
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Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8)
