Manley 12358-8 Severe Duty Stainless Steel Intake Valve Set for Chevy L83 5.3L

The Manley 12358-8 Severe Duty intake valve set is engineered specifically for Chevrolet L83 5.3L engines (2014 and newer). This set includes eight high-performance stainless steel intake valves featuring a 1.930-inch head diameter and .3133-inch stem diameter at stock height, making them ideal for street performance and racing applications.

Key Features:

• Manufactured from premium NK-844 stainless steel intake valve material for exceptional high-temperature strength
• 1.930-inch head diameter with 8mm (.3133-inch) stem diameter
• Chrome stems and hardened valve tips for enhanced durability and wear resistance
• 5.208-inch overall length at stock height
• Swirl polished and fully machined with Pro Flo technology for maximum airflow
• OEM-style radius keeper grooves for reliable valve train operation

Manley's Severe Duty series represents their flagship line of performance valves, trusted by engine builders worldwide for bracket racing, oval track, and high-performance street applications. These intake valves are designed to handle the demanding conditions of high-temperature gasoline engines while delivering superior flow characteristics and long-term reliability.