Description
Factory valve guides wear out, causing excess clearance that tanks flow efficiency and invites valve recession—especially in high-mileage or boosted applications. KIBBLEWHITE’s C630 precision-machined guides restore OEM geometry with tighter tolerances and superior material composition, ensuring consistent sealing and optimal port flow. Built for both no-lead fuel and modern valve-stem materials, these guides handle everything from stock rebuilds to serious performance engines.
- Material: C630 precision-machined
- Compatibility: No-lead fuel compatible
- Valve stem: Any material type
- Design: Tapered nose profile
- Top diameter: .560″
- Overall length: 2.40″
- Seal compatibility: OEM top hat
- Seal bore: Standard .420″
- Application: Intake or exhaust
- Lower collar: OEM style compatible
- Installation: Direct OEM replacement
- Origin: Made in U.S.A.
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