KIBBLEWHITE Exhaust Valve Guide 20-2130

If you're building or rebuilding a high-performance engine, valve guide quality directly impacts flow efficiency, longevity, and reliability under sustained RPM and heat cycles. The KIBBLEWHITE 20-2130 exhaust valve guide is precision-machined from C630 material to handle the demands of modern fuel blends while maintaining tight tolerances that reduce parasitic friction and port restrictions. Whether you're running a naturally aspirated or forced-induction setup, this guide delivers consistent performance with minimal maintenance headaches.

Technical Specifications:

• Material: C630 machined
• Application: Intake or exhaust
• Overall length: 2.40 inches
• Top diameter: .560 inches
• Valve stem diameter: Standard .420 inch
• Tapered nose design
• No-lead fuel compatible
• Accepts OEM-style top hat seals
• Works with chromed valve stems
• Accepts OEM lower collar
• Made in the U.S.A.
• MPN: 20-2130