Psychic Exhaust Valve Kit for Yamaha 2014-2018 YZ450F/YZ450FX & 2016-2018 WR450F

Psychic Exhaust Valve Kit for Yamaha

This aftermarket exhaust valve kit is designed to restore proper valve clearance and improve engine breathing for Yamaha YZ450F, YZ450FX, and WR450F models. This exhaust valve kit includes precision components to ensure reliable performance and is engineered to meet the demands of high-performance engines.

Overview

The Psychic Exhaust Valve Kit for Yamaha provides precision-engineered valves and components to ensure optimal engine performance. This exhaust valve kit is built to meet OEM specifications for the listed Yamaha models. Riders can expect reliable operation and improved throttle response from this exhaust valve kit.

Built For Performance

• Precision-ground valve stems for accurate sealing
• High-strength steel construction for durability
• Includes matched valve springs and retainers
• Engineered for high-RPM reliability
• Resists valve float under extreme conditions

Fits These Machines

• for Yamaha YZ450F (2014-2018)
• for Yamaha YZ450FX (2014-2018)
• for Yamaha WR450F (2016-2018)

On-The-Job Use

• Motocross racing
• Off-road trail riding
• Enduro competitions
• Desert racing
• Track days

Good To Know

Q: Does this kit include everything needed for installation? A: Yes, the kit includes exhaust valves, springs, and retainers for a complete installation.

Q: Is this kit compatible with stock cylinder heads? A: This kit is designed to fit OEM cylinder heads on the listed Yamaha models.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.