
KIBBLEWHITE Valve Guide (Manufacturer Part No: 20-4321C) made from machined cast iron, designed for guiding intake and exhaust valves. A robust and precisely machined part, compatible with unleaded petrol and all types of valve materials. Machined for standard seal 0.420". Produced in the United States.
This cast iron valve guide is aimed at Vintage/Classic enthusiasts, cruisers, and roadster owners looking for a reliable replacement part for the cylinder head. Its diameter and length match the original specifications of the listed Harley models, including several Softail 1450 (FXSTSI, FXSTI, FXSTDI) from the 2004 model year. Ideal for engine restoration during a cylinder head overhaul or thorough maintenance.
Installation and inspection by a professional is recommended. Do not modify assembly dimensions without verifying exact compatibility with your cylinder head and valves.