Ferrea E11090 Titanium Exhaust Valve Retainer Set for Yamaha YZF/YFZ450

The Ferrea E11090 Titanium Exhaust Valve Retainer Set is precision-engineered for Yamaha YZF450 motocross bikes (2003-2009) and YFZ450 quads (2003-2009) equipped with 5-valve engines. These high-performance retainers are essential components of the valve train system, designed to meet the demanding requirements of racing and performance applications.

Key Features:

• Precision CNC-machined from aerospace-quality titanium alloy
• Fully heat-treated and finished to exact tolerances for maximum strength
• 40% weight reduction compared to conventional steel retainers
• Reduces valve train mass for improved high-RPM performance
• Designed specifically for exhaust valve applications
• Set includes 2 pieces

Ferrea Racing Components are trusted by professional engine builders and racers worldwide. These titanium retainers offer superior strength-to-weight ratio, allowing for more aggressive valve springs and higher RPM operation while reducing stress on the valve train. The precision manufacturing process ensures consistent quality and proper fitment with Ferrea valve springs and locks.