Up for sale is a set of 4 aluminium lock washers that are use to lock the main engine adjuster bolts on all models of ZXR 750 J to M and all ZX7R and ZX7RR model. They are a direct copy of the factory Kawasaki parts that were used back in the day on the race bikes. They are made from duable 2014A aluminium so nice and strong. Price is for a set of 4 so enough for 1 bike. They are a direct replacement for the heavy steel items with the part number 92015-1846 whiich arre now £12 each from Kawasaki. Postage is £5.00 to USA and Australia, rest of world is £4.00. Please check out my other auctions for more hard to get Kawasaki race kit items.