723374 Fits K 1952 1953 Chrome Bolt Kit OEM 4666 4718

For the high-performance Sidevalve engines found in KH and KR models, you need hardware that can handle the heat and pressure of a running engine. This Colony cylinder head bolt kit is the highest quality available, featuring head bolts, nuts, and washers accurately machined from high-strength steel. These fasteners are hardened to original Harley-Davidson specifications to prevent stretching over time, and the bolts feature rolled threads for superior strength and a precise fit. Every piece in the kit is plated for excellent corrosion resistance and a clean, professional appearance. Whether you are rebuilding a vintage racer or a street-going KH, this kit provides the structural integrity and period-correct look your Flathead deserves.