Random List of Catalogs for Harley Davidson and aftermarket parts that I have on PDF , collected over the years. Sometimes they come in handy for me, you may find them useful.

Incomplete List of Harley Davidson Hardware Descriptions
Stock Replacement Parts S&S Cycle 510-0046
FX 1971-1984 Parts Book Catalog Harley-Davidson 99455-83C
FL Models 1941-1984 Parts Catalog Harley-Davidson #99456-84B