45-016-01 Knuckle Performance, axle adjuster plate kit. US flag

These Bare Knuckle Performance axle adjuster plates are a direct replacement for your stock steel units, fitting 1979–2004 XL Sportster and 1973–1984 4-speed Shovelhead models. Machined from black anodized aluminum, each plate features engraved Bare Knuckle branding and a subtle US flag detail that adds a touch of patriotism to your swingarm. The kit includes both adjustment plates along with chrome-plated washers and nyloc nuts for a complete five-minute installation. They replace OEM reference 47554-73 perfectly while shedding weight and adding precision to your rear wheel alignment. Sold as a complete kit, these plates offer a clean upgrade over the factory steel pieces, bringing both function and subtle styling to your Harley’s rear end.