A variety of cam end seals - all types fit all 1973 thru 1980 900 or 1000 models.....4 required per bike.... Left - Original Kawasaki OEM bonded rubber end seals...                                       $19.49 ea.              The best.........  $72.00 set / 4 Optional: Aftermarket OEM-style bonded rubber end seals                 Imported from Japan - excellent quality......              Will do the job ..   $54.00 set / 4   Center & Right - Aluminum, re-useable end seals, Note >  We no longer carry the blue (APE) cam end seals.   We do still sell the siilver ones, which are at least as good of a quality as the APE. Keep in mind that, being aluminum, these can be painted ANY color in about 5 minutes.     E-mail us for availability and current price > jim@redlinecycle.com Not sure what the best choice is for your bike?         ..........E-Mail us at jim@redlinecycle.com  In Stock at Redline Cycle Tech Note: Note: Check your  Cam End Seals  before replacing the cam cover.....If they show signs of leaking or have moved out of position when removing the cover, replace them now - or you're doing it all over again sooner than you'd like....Don't use sealer under your stock / aftermarket  rubber end seals!