KIBBLEWHITE Valve Guide 20-20709

Factory valve guides wear out—especially under sustained high RPM or aggressive tuning. KIBBLEWHITE's precision-machined C630 guides restore proper valve sealing, concentrating flow and eliminating guide slop that bleeds horsepower and compression. Built in the U.S.A. for reliability in both stock and modified engines, these guides accept no-lead fuel and work equally well as intake or exhaust.

The tapered nose design minimizes port obstruction while maximizing bearing surface contact, reducing valve recession and extending service life. Whether you're chasing reliability on the street or consistency on the track, these guides deliver the precision fit and durability that separates quality machine work from guesswork.

• Material: C630 chromoly alloy
• Length: 2.40" overall
• Top diameter: .560"
• Seal size: Standard .420"
• Valve-stem compatible: All types
• Fuel compatible: No-lead
• Tapered nose design: Improved flow
• OEM-style top hat seals: Supported
• Lower collar: OEM compatible
• Application: Intake or exhaust
• Installation: Requires machining
• Country of origin: U.S.A.