KIBBLEWHITE Valve Guide 20-2123

A worn or damaged valve guide compromises both flow efficiency and engine reliability—and OEM replacements often leave performance on the table. The KIBBLEWHITE 20-2123 delivers precision engineering with a tapered nose design that maximizes port flow while minimizing obstruction, making it the ideal choice for serious builders who demand durability without sacrificing breathing room. Built for no-lead fuel compatibility and compatible with any valve-stem material, this guide accepts both chromed and standard stems for maximum versatility across your engine program.

• C630 precision-machined
• 2.02" overall length
• .560" top diameter
• Tapered nose design
• OEM-style top hat seals
• .420" standard seal machined
• Intake or exhaust application
• Chromed valve stem compatible
• No-lead fuel rated
• OEM lower collar compatible
• 2.40" total assembly length
• Made in U.S.A.