KPMI White Diamond Stainless Exhaust Valve – Honda CRF450R / CRF450RX (2017–2021)

Description

KPMI’s White Diamond Stainless Exhaust Valve is precision-engineered for performance, durability, and superior heat control. Built from one-piece stainless steel forgings, each valve undergoes advanced Finite Element Analysis design and flow-bench testing. The hard-chrome 360-degree coating resists wear and corrosion while maintaining a perfect seal under high-temperature racing conditions.

These valves deliver exceptional strength, consistent flow, and long service life — ideal for competitive and high-performance off-road riders.

What’s Included

✅ (1) KPMI White Diamond Stainless Exhaust Valve
✅ Factory packaging

Fitment

📦 Honda CRF450R / CRF450RX

• 2021 CRF450R

• 2021 CRF450R W.E.

• 2021 CRF450RX

• 2020 CRF450R

• 2020 CRF450R W.E.

• 2020 CRF450RX

• 2019 CRF450R

• 2019 CRF450R W.E.

• 2019 CRF450RX

• 2018 CRF450R

• 2018 CRF450RX

• 2017 CRF450R

• 2017 CRF450RX

Warranty Info

🛡️ Covered by KPMI’s limited warranty against defects in materials or workmanship.

Note: Must use a KPMI spring kit when installing Black Diamond or White Diamond valves to ensure correct seat pressure and spring compatibility.

Key Features

• White Diamond stainless steel construction for exceptional strength and endurance

• One-piece forged design with 360-degree hard-chrome finish

• Excellent heat and corrosion resistance under extreme RPM

• Optimized flow characteristics for improved performance

• Tested using Finite Element Analysis and flow-bench technology

• Designed for racing, off-road, and high-performance builds

Price & SKU

💲 Retail Price: $47.95
SKU: 191-11036
Brand Number: 30-32816K
Estimated Shipping Weight: 0.08 lb