ProX 28.SIS2444-2 Steel Intake Valve Spring Conversion Kit

The ProX Steel Intake Valve & Spring Conversion Kit provides a durable titanium-to-steel valve upgrade for high-performance motorcycle engines. This complete conversion set replaces OEM titanium valves and springs with hardened steel components engineered for extreme racing conditions.

Key Features:

• Nitrided steel intake valves deliver increased durability and reduced wear under extreme temperatures and high-stress operation
• Upgraded valve springs specifically designed to handle the additional mass of steel valves
• Premium chrome vanadium steel springs provide superior performance and reliability at high RPM
• Complete kit includes steel intake valves plus matched valve springs
• Direct installation using OEM valve retainers, bases, and valve seals—no additional parts required
• Ideal for riders who prefer the proven durability of steel over titanium, especially in demanding racing applications

This conversion kit is designed for riders seeking maximum valve train durability without the cost and maintenance considerations of titanium valves. The nitrided surface treatment enhances wear resistance, while the specially matched springs ensure proper valve control throughout the RPM range.