PROX Titanium Exhaust Valve for KTM 450SX (2003-2006) and 450/525/560SM-R (2004-2007)

Forge one piece valves for unmatched strength

CVD/CNI coated to reduce heat and friction

Manufactured to exacting tolerances from highest grade material

All valves sold each

The PROX Titanium Exhaust Valve (Part Number 28.6423-1) is engineered for high-performance motocross and supermoto applications, offering superior durability and lightweight design. Crafted from premium titanium, this valve significantly reduces weight compared to standard steel valves, contributing to enhanced engine responsiveness and overall performance.

This exhaust valve is compatible with KTM models including the KTM 450SX from 2003 to 2006, as well as the KTM 450, 525, and 560SM-R models from 2004 to 2007. Its precise dimensions and high-quality materials ensure a perfect fit and reliable operation under demanding racing conditions. The design features an optimized shape to improve exhaust flow, leading to better power output and efficiency.

Features: Titanium construction for maximum strength-to-weight ratio. Precise fit for KTM 450SX (2003-2006) and 450/525/560SM-R (2004-2007). Enhanced exhaust flow design for improved engine performance. Durable material resists wear and high temperatures. Lightweight design reduces overall engine weight for better handling and acceleration.

Features:

• Titanium construction for maximum strength-to-weight ratio

• Precise fit for KTM 450SX (2003-2006) and 450/525/560SM-R (2004-2007)

• Enhanced exhaust flow design for improved engine performance

• Durable material resists wear and high temperatures

• Lightweight design reduces overall engine weight for better handling and acceleration