Kibble White 09263166 Valve stem sealRef : KIBW00063A / 09263166

KIBBLEWHITE Valve Guide Seal (ref. 71013-4)

Solid Viton® valve guide seal with an integrated tension spring — replacement part manufactured in the United States to ensure sealing between the valve stem and the guide. Designed for intake and exhaust applications, this seal withstands the thermal and chemical stresses encountered in modern engines.

• Material: Solid Viton® (high temperature and oil resistance)
• Type: Valve guide seal with tension spring
• Application: Intake / Exhaust
• Stem diameter: 4.00 mm
• Outer diameter: 0.380 in (≈ 9.65 mm)
• Length: 0.310 in (≈ 7.87 mm)
• Origin: Made in the USA

Part suitable for motocross, enduro, trail/adventure, supermoto, and sport bikes where reliable sealing of the valve train is required. Common application examples: KAWASAKI KX 250 F (2016–2019) and SUZUKI RM-Z 250 (2017). Replace worn seals during top-end rebuilds to limit oil consumption and maintain clean engine performance.

Brand: KIBBLEWHITE — Manufacturer reference: 71013-4