KIBBLEWHITE Valve Guide 20-2122

If you're rebuilding a high-revving engine or restoring a classic to show-quality standards, valve guide wear directly impacts compression sealing, oil consumption, and port flow efficiency. KIBBLEWHITE's precision C630 guides deliver OEM fitment with superior durability, eliminating the guesswork and performance loss that comes with worn originals. Whether you're running unleaded fuel or pushing aggressive valve timing, these guides accept any stem material and provide the bearing service life your engine demands.

• C630 precision-machined
• No-lead fuel compatible
• Accepts any valve-stem material
• Chromed stem compatible
• Tapered nose design
• Optimized flow characteristics
• 2.02" overall length
• .560" top diameter
• 2.40" OEM length
• OEM-style top hat seals
• Standard .420" seal machined
• Intake or exhaust rated
• Lower collar compatible
• Made in U.S.A.