Duplicate of OEM seat post rod (15-7/8) nuts & spacers used on 1929-73 45s and Servicars (except military models)

Note: It is advisable to check the inside diameter of the pipes you want to use these tips on to be sure they are going to fit

This Carbon Steel CEI / BSC tap and die set is the answer to your issues

All necessary CAD plated reproduction hardware to mount tool box on all 1955-1957 Harley-Davidson Big Twins

Knucklehead and 1930-48 Sidevalve (except 45's)

#1009-P Complete Show Bike Kit Smooth Allen Hardware 1979-1984 Harley-Davidson FLT 5 Speed - Chrome Plated Banjo Fitting Angle_0 degree (straight) Duplicate of OEM seat postComplete Show Bike Kit Chrome Smooth Allen Hardware fits Harley Davidson 1979 1984 Made in Ohio, USA.