Specifications
- Brand
- Manley Performance
- Part #
- 11527-8
- UPC
- 807298049601
Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.350in O/A Length, 0.3715in Stem
$218.97
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Manley Chevrolet Big Block exhaust valve kit. Features stainless steel construction and swirl-polished under-head areas for improved airflow.
Key Features
- Fits Chevrolet Big Block engines.
- Exhaust valves feature stainless steel construction for durability.
- Chrome stems and hard tips enhance longevity and wear resistance.
- Swirl-polished under-head areas and fully machined combustion faces optimize airflow.
- Recommended for use in alcohol engines.
- Each valve has a 1.880-inch head diameter and 5.350-inch overall length.
⚠️ 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 this Chevrolet Big Block exhaust valve kit, designed for engines that see serious track time. If you're rebuilding the top end of your big block Chevy for bracket racing, drag racing, or oval track use, these valves are built to handle the stress of high-RPM operation, up to 8000 RPM.
These exhaust valves are made from durable stainless steel, specifically the XH-426 alloy, which is known for its strength and resistance to heat. The stems are chrome-plated for better wear resistance, and the under-head areas are swirl-polished to help smooth out airflow into the combustion chamber. The machined combustion faces also contribute to better airflow and combustion efficiency. Manley also notes these are a recommended choice for exhaust valves in alcohol-fueled engines, which run hotter and demand robust components.
This kit includes eight exhaust valves, each measuring 1.880 inches across the head and 5.350 inches overall in length, with a 0.3715-inch stem diameter. When rebuilding your engine, using well-made valves like these is crucial for ensuring proper sealing and performance.
Specifications
- Brand
- Manley Performance
- Manufacturer Part #
- 11527-8
- UPC
- 807298049601
Frequently Asked Questions
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Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.350in O/A Length, 0.3715in Stem