
KIBBLEWHITE - Solid Viton® Seal (Manufacturer's ref: 71010-4)
Massive valve guide seal made of Viton®, designed for vintage, roadster, and touring cylinders. Designed to fit original guides Ø 0.420" (≈10.67 mm), this seal combines high-quality Viton® polymer and a metal sleeve for enhanced mechanical strength. The compression spring, along with the lower tension spring, maintains pressure on the valve stem, limiting oil blow-by and contributing to sealing even under demanding thermal conditions.
Ideal for engine restoration or maintenance on Harley and other customs equipped with original guides, this Kibblewhite seal provides the expected chemical and thermal resistance of Viton® without compromising on fit. Check the diameter of your guides before ordering for a precise fit when replacing valve seals.