KIBBLEWHITE Exhaust Valve Guide 20-21032

If you're rebuilding a high-revving engine or restoring a classic with modern reliability in mind, worn or damaged valve guides compromise flow, increase blow-by, and accelerate component failure. The KIBBLEWHITE Exhaust Valve Guide 20-21032 delivers precision-machined durability from domestic C630 material, engineered to handle no-lead fuel and any valve-stem material without compromise. The tapered nose design minimizes port obstruction while maximizing bearing surface life—a critical advantage whether you're chasing lap times or ensuring long-term dependability.

• C630 precision-machined construction
• No-lead fuel compatible
• Any valve-stem material compatible
• Tapered nose design
• Maximizes bearing service life
• Improves port flow characteristics
• 2.02" overall length
• .560" top diameter
• OEM-style top hat seals
• OEM lower collar compatible
• 2.40" total length
• Standard .420" seal machining
• Intake or exhaust application
• Made in the U.S.A.