GUIDE VLV EXH STD YZ250F

C630 Valve Guides

• Precision-machined from C630
• Compatible with no-lead fuel and accept any type of valve-stem material
• Provide maximum service with chromed valve stems
• Feature a tapered nose design for maximum bearing service and minimal port obstruction; improves flow characteristics
• 2.02" overall length, .560" top diameter, accept OEM-style top hat valve seals (sold separately)
• Accept OEM lower collar
• Overall length is 2.40”
• OEM style
• Machined for std. .420” seal and can be used as an intake or exhaust guide
• Made in the U.S.A.