Manley LS1 R/M 1.550 Inch Exhaust Valve Set of 8 for GM LS-Series Engines

The Manley LS1 R/M 1.550 Inch Exhaust Valve set is designed specifically for high-performance applications on GM LS-Series engines, including LS1 and LS2 models. Crafted from durable stainless steel, these valves are engineered to withstand the rigors of racing and aggressive driving. The 1.550-inch head diameter and 0.314-inch valve stem diameter ensure optimal airflow and durability. Measuring approximately 4.92 inches in length, these valves provide precise valve timing and seating for improved engine efficiency and power output. The set includes eight valves, making it suitable for full cylinder head rebuilds or upgrades to enhance engine performance. Whether you're building a race engine or upgrading your street vehicle, these valves are a reliable choice for maximizing airflow and durability in high-stress environments.

Features:

• Designed for GM LS-Series engines including LS1 and LS2

• Constructed from high-quality stainless steel for corrosion resistance and durability

• Valve head diameter: 1.550 inches for improved airflow

• Valve stem diameter: 0.314 inches for precision seating

• Length: approximately 4.92 inches for optimal valve operation

• Set of 8 valves suitable for complete cylinder head refurbishment

• Engineered for high-performance and racing applications