Manley LS3 Series Exhaust Valve Set 1.590 Inch Head Diameter Stainless Steel for GM LS-Series Engines

The Manley LS3 Series Exhaust Valve Set is designed for severe-duty applications on GM LS-series engines, including LS3, L99, and L92 models. Constructed from high-quality stainless steel, these valves provide exceptional durability and resistance to heat and corrosion. The set includes eight valves, each featuring a 1.590-inch head diameter and a 0.314-inch stem diameter, offering reliable performance for demanding engine builds. The valves are engineered to withstand high temperatures and aggressive engine conditions, making them suitable for performance and racing applications. Each valve measures approximately 4.92 inches in length, ensuring precise fitment and optimal flow characteristics. The stainless steel construction ensures longevity and consistent performance under severe-duty conditions, making these valves an ideal choice for enthusiasts seeking durability and efficiency in their engine modifications. Whether restoring or upgrading a GM LS-series engine, these valves deliver quality and reliability for enhanced power output and engine longevity.

Features:

• High-quality stainless steel construction for durability and corrosion resistance

• Designed for severe-duty applications on GM LS-series engines

• Includes a set of 8 exhaust valves with 1.590-inch head diameter

• 0.314-inch valve stem diameter for reliable seating and flow

• Approximately 4.92 inches in length for precise fitment and performance