KIBBLEWHITE Valve Guide 20-20691M

Valve guide wear is one of the most common culprits behind oil consumption, poor sealing, and accelerated valve stem erosion—especially in high-mileage or race engines. The KIBBLEWHITE Valve Guide 20-20691M eliminates guesswork with precision-machined construction that delivers reliable fitment and superior heat management. Best of all, you can finish these guides with basic shop equipment rather than investing thousands in specialized honing machinery.

Built from manganese bronze, these guides offer a softer composition than nickel aluminum bronze alternatives, which means easier machining during installation and reduced wear on your valve stems. Exceptional thermal conductivity keeps your valves running cooler and lasting longer—critical for both street engines and high-RPM race applications.

• Manganese bronze construction
• Precision CNC-machined
• Superior heat conductivity
• Reams with standard drill
• Finishes with ball hone
• Accepts OEM/aftermarket seals
• No expensive equipment required
• Made in the U.S.A.
• MPN: 20-20691M