Kibblewhite 10-SB385 Valve Seat C630 Powdered Metal 38.50mm OD

The Kibblewhite 10-SB385 is a precision-engineered powdered metal valve seat designed for high-performance powersports applications. Manufactured from C630 powdered metal alloy, this valve seat features a 38.50mm outer diameter and is compatible with all fuel types including ethanol blends, unleaded, and race fuels.

Key Features:

• C630 powdered metal construction for exceptional wear resistance and thermal stability
• 38.50mm outer diameter, precision ground for maximum cylinder head contact
• Compatible with all fuel blends including ethanol-containing fuels
• Smooth ground outer diameter ensures optimum heat transfer from valve to cylinder head
• Generous radius on leading edge prevents galling during installation
• Resistant to micro-welding, corrosion, and burning
• Made in USA with precision machining tolerances

Kibblewhite valve seats are manufactured with ample material thickness to allow for multiple valve job resurfacing operations. The precision ground outer diameter provides superior contact with the cylinder head bore, ensuring consistent heat dissipation and extended valve life. Ideal for ATV, UTV, motorcycle, PWC, and snowmobile engine rebuilds where reliability and performance are critical.