This is a very helpful part of your 450 tune-up: this is a pair of points (1 left side and 1 ride side) for the now vintage Honda CB450 Black Bomber motorcycle. These are high quality Japanese production. Sealed and new condition with points cam grease pack included. These are for the 1965 1966 1967 model years. These are the small mechanical sprung parts that break your points for timing if you are unfamiliar. If you are tuning up, riding or racing your now vintage 450 there are an important part of a tune-up.  If your points are dirty, greasy or pitted, time to get this inexpensive easy fix.  These are correct replacements for Honda part #'s (Right side ) 30204-283-003 and (Left side) 30203-283-003, .Stop fiddling with your carburetors until your ignition system is perfect.  We also have other 450 parts too. That is it!