Description
Valve guides are critical to maintaining proper valve alignment and sealing integrity in high-performance engines. The KIBBLEWHITE 20-21031 is precision-machined from C630 material to withstand extreme combustion pressures while minimizing port obstruction—essential for maximizing flow characteristics and extending service life. Whether you’re rebuilding a street engine or prepping for competition, this guide delivers the durability and precision fit that serious builders demand.
- Material: C630 precision-machined
- Compatibility: No-lead fuel compatible
- Valve stem: Any material type
- Design: Tapered nose profile
- Overall length: 2.40″
- Top diameter: .560″
- Seal type: OEM-style top hat
- Seal size: Standard .420″
- Lower collar: OEM compatible
- Application: Intake or exhaust
- Origin: Made in U.S.A.
- Fitment: Universal (application-dependent)
- Installation: Requires engine machine work
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