Nuts Castle Chrome Usa Sizes

2 products in Nuts Usa Sizes

Chrome castle nuts in USA thread sizes — the crenellated crown takes a cotter pin for positive retention on axle nuts and safety-critical chassis pivots. Supplied primarily by Colony and Gardner-Westcott, with smaller MCS options. Covers 1941–2002 Big Twin / XL, 1984–2025 Big Twin, 1986–2022 Sportster, and 2010–2026 Softail, Dyna, and Touring. Factory-specified for these joints — worth matching properly on reassembly.