Specifications
- Brand
- Manley Performance
- Part #
- 10721-8
- UPC
- 807298047218

Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 4.911in O/A Length, 0.3415in Stem
$161.28
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Manley Chevrolet Small Block exhaust valve kit. Made from stainless steel with chrome stems for improved durability.
Key Features
- Fits Chevrolet Small Block engines.
- Exhaust valve with a 1.500-inch head diameter and 4.911-inch overall length.
- Features a 0.3415-inch stem diameter.
- Constructed from high-grade stainless steel for durability.
- Chrome stems and hard tips enhance wear resistance.
- Swirl polished under head areas and fully machined combustion faces improve airflow.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
Manley Performance offers these Street Series exhaust valves for your Chevrolet Small Block engine. If you're rebuilding the top end or looking to improve the airflow on a stock or mildly modified street engine, these valves are a solid option. They are crafted from high-grade stainless steel, which means they'll hold up well over time and resist corrosion.
These valves feature chrome stems and hard tips, adding to their durability and wear resistance. The areas under the head are swirl polished, and the combustion faces are fully machined. This attention to detail helps improve airflow into the combustion chamber, which can lead to better engine efficiency. The overall length is 4.911 inches with a 1.500-inch head diameter and a 0.3415-inch stem diameter.
Specifications
- Brand
- Manley Performance
- Manufacturer Part #
- 10721-8
- UPC
- 807298047218
Frequently Asked Questions
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Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 4.911in O/A Length, 0.3415in Stem





