XCELDYNE エクセルダイン VALVE SPRINGS IN／EXH [0926-0640] WR450F 2003 - 2011 YZ450F 2003 - 2009 YAMAHA ヤマハ

　
SPRINGS
・Designed for use with most cam grinds
・Springs can only be used on titanium valves
・Purpose built racing valve springs made from the highest quality Kobe spring wire
・Sold as pairs unless noted
・Single spring， low drag design increases horsepower

SPRING RETAINERS
・Sold as pairs unless noted
・PART #0926-0537 is a complete intake／exhaust kit
・Increases valve spring life over heavier， stock steel retainers
・Lightweight CNC machined titanium retainers greatly reduce valvetrain mass and increase engine rpm

SPRING SEATS
・High tolerances ensure seats are flat for the longest possible life
・Precision CNC machined from 8620 case hardened steel
・Made with various thicknesses
・Sold as pairs unless noted
・Pad is parallel to bottom surface for consistent spring pressures
・Specially designed for use with CV4’s valve springs only

VALVE LOCKS
・Design allows keepers to stay locked at higher rpm
・Industry first color coded， purpose built intake-sized and exhaust-sized design
・Sold as two pair unless noted
・CNC machined from 8620 steel

■注意点
※取り扱い説明書は英語となります。
※輸入商材の為、納期が遅れる場合がございます。あらかじめご了承ください。