Manley 12330-1 Severe Duty Pro Flo Stainless Steel Intake Valve

The Manley 12330-1 is a high-performance intake valve from the Severe Duty Pro Flo Series, engineered for demanding performance and racing applications. This valve features a 2.140-inch head diameter with a 0.312-inch stem diameter and an overall length of 5.135 inches, making it compatible with 2011 and newer Chrysler/Dodge 6.4L HEMI engines with triple groove keepers.

Key Features:

• Constructed from premium NK-844 stainless steel for exceptional durability and heat resistance
• Chrome stem and hardened valve tip for extended service life and wear resistance
• Fully machined and swirl polished for optimal surface finish
• Undercut Pro Flo stem design improves airflow and engine breathing
• Features precision back cut of 0.055 inches at 30 degrees
• Sold individually for precise replacement or custom valve jobs

Manley's Severe Duty Pro Flo Series valves are designed for bracket racing, drag racing, oval track competition, and high-performance street engines. The Pro Flo undercut stem design enhances flow characteristics while maintaining the strength needed for demanding applications.